Helmut Antrekowitsch

Research output

  1. 2010
  2. Published

    Treatment and Disposal of Residues from Aluminium Dross Recovery

    Antrekowitsch, H., 2010, Proceedings of CRETE 2010, 2nd International Conference on Hazardous and Industrial Waste Management. p. 0-0

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  3. Published

    Untersuchung des Aushärtungsverhaltens von AlMgSi-Legierungen

    Pogatscher, S. & Antrekowitsch, H., 2010.

    Research output: Contribution to conferencePosterResearchpeer-review

  4. Published

    Vakuumschmelzbetriebe in Europa

    Hoy, C., Weinkogl, I. & Antrekowitsch, H., 2010

    Research output: Book/ReportCommissioned reportTransferpeer-review

  5. Published

    Vergleich des Abbrandverhaltens von Aluminiumspänen und –briketts Teil II: Schmelzen mit Salz

    Paulitsch, H. & Antrekowitsch, H., 2010

    Research output: Book/ReportCommissioned reportTransferpeer-review

  6. Published

    Vergleich des Abbrandverhaltens von Aluminiumspänen und –briketts Teil I: Schmelzen ohne Salz

    Paulitsch, H. & Antrekowitsch, H., 2010

    Research output: Book/ReportCommissioned reportTransferpeer-review

  7. Published

    Versuchsreihe Dispersoidhärtung I

    Stadler, F. & Antrekowitsch, H., 2010

    Research output: Book/ReportCommissioned reportTransferpeer-review

  8. Published

    Versuchsreihe Dispersoidhärtung II

    Stadler, F. & Antrekowitsch, H., 2010

    Research output: Book/ReportCommissioned reportTransferpeer-review

  9. Published

    Versuchsreihe Warmfestigkeit

    Stadler, F. & Antrekowitsch, H., 2010

    Research output: Book/ReportCommissioned reportTransferpeer-review

  10. Published

    Viskositäten von Schlacken und deren Berechnung

    Hoy, C. & Antrekowitsch, H., 2010

    Research output: Book/ReportCommissioned reportTransferpeer-review

  11. 2009
  12. Published

    Alternative Wärmebehandlungen von 6xxx-Aluminiumlegierungen

    Pogatscher, S. & Antrekowitsch, H., 2009.

    Research output: Contribution to conferencePosterResearchpeer-review

  13. Published

    Analyse der Rissentwicklung in Zn-Al-Mg-Beschichtungen

    Zunko, H., Hackl, A., Ebner, R., Brisberger, R., Priewasser, F., Riener, C. & Antrekowitsch, H., 2009, In: Berg- und hüttenmännische Monatshefte : BHM. 154, p. 334-341

    Research output: Contribution to journalArticleResearchpeer-review

  14. Published

    Beschichtungsmöglichkeiten von Aluminium

    Pogatscher, S. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  15. Published

    Bleiakkus und deren Aufbau

    Pogatscher, S., Kaindl, M. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  16. Published

    CD-Labor Jahresbericht 2008

    Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  17. Published

    Characterisation, Melting and Reduction Behaviour of Heavy Metal Containing Residues

    Schnideritsch, H., Antrekowitsch, J., Antrekowitsch, H. & Wagner, C., 2009, Characterisation, Melting and Reduction Behaviour of Heavy Metal Containing Residues. GDMB, p. 1155-1166

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  18. Published

    Christian Doppler Laboratorium - Sekundärmetallurgie der Nichteisenmetalle

    Antrekowitsch, H., 2009, Jahresbericht. p. 1-22

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  19. Published

    Development of Zn-Al-Mg-alloys for Continuous Hot Dip Galvanising of Hot Rolled Steel Strip

    Hackl, A., Antrekowitsch, H., Zunko, H. & Brisberger, R., 2009, EMC2009 - Volume 3 - General Pyrometallurgy / Process Control Zinc. GDMB, p. 1029-1037

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  20. Published

    Development of Zn-Al-Mg-coatings for continuous hot dip galvanising

    Hackl, A., Antrekowitsch, H. & Brisberger, R., 2009.

    Research output: Contribution to conferencePosterResearchpeer-review

  21. Published

    Einsatz von Scandium mit Augenmerk auf Al-Sc-Legierungen

    Pogatscher, S. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  22. Published

    Einschlüsse in Al-Proben

    Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  23. Published

    Entwicklung von Zn-Al-Mg-Legierungen zum Verzinken von Warmband mittels CVGL®-Technologie

    Hackl, A., Zunko, H., Antrekowitsch, H. & Brisberger, R., 2009, In: Berg- und hüttenmännische Monatshefte : BHM. 154, p. 398-402

    Research output: Contribution to journalArticleResearchpeer-review

  24. Published
  25. Published

    Experimentelle Untersuchungen zur direkten Warmauslagerung

    Pogatscher, S. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  26. Published

    FFG-Endbericht 2007-2008 - Technischer Abschnitt

    Hackl, A. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  27. Published

    FFG-Endbericht 2008-2009 - Technischer Abschnitt

    Hackl, A. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  28. Published

    FFG-Zwischenbericht: Alternative Wärmebehandlung von 6xxx-Legierungen

    Pogatscher, S. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  29. Published

    Halbjahresbericht CD-Labor 2009: CD-Labor für Sekundärmetallurgie der Nichteisenmetalle

    Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  30. Published

    Halbjahresbericht Christian Doppler Laboratorium - Sekundärmetallurgie der Nichteisenmetalle

    Antrekowitsch, H., 2009, Berichte Christian Doppler Laboratorium. p. 1-20

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  31. Published

    Industrielle Abschreckversuche von 6xxx-Legierungen

    Pogatscher, S. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  32. Published

    Influence of additional burden mixing at the production of ferromolybdenum

    Ressel, R., Luidold, S. & Antrekowitsch, H., 2009, Influence of additional burden mixing at the production of ferromolybdenum. GDMB, p. 1469-1478

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  33. Published

    Investigation on Cracking Behaviour of new Zn-based Coatings on Sheet Steel for Hot Dip Galvanising

    Zunko, H., Hackl, A., Antrekowitsch, H., Ebner, R. & Brisberger, R., 2009.

    Research output: Contribution to conferencePosterResearchpeer-review

  34. Published

    Investigations on Cracking Behaviour of Zn-Al-Mg-Coatings on Sheet Steel

    Zunko, H., Ebner, R., Hackl, A., Antrekowitsch, H. & Brisberger, R., 2009, EMC2009 - Volume 3 - General Pyrometallurgy / Process Control Zinc. GDMB, p. 1201-1210

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  35. Published

    Jahresabschlussbericht CD-Labor 2009: CD-Labor für Sekundärmetallurgie der Nichteisenmetalle

    Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  36. Published

    Konzeptstudie zum Aufbau eines Ofens für die Pyrolyse und das Sintern von Hohlkugeln aus Nichteisenmetallen

    Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  37. Published

    Korrosion von Patronenhülsen

    Hoy, C. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  38. Published

    Leerstellen, Ausscheidungssequenz und elektrische Eigenschaften der Legierung 6061

    Pogatscher, S. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  39. Published

    Literaturrecherche zu "Auswirkungen von Antimon im Stahl"

    Hoy, C. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  40. Published

    New processes for the production of tin chalcogenides

    Wagner, C., Luidold, S., Antrekowitsch, H. & Rimmer, K., 2009, New processes for the production of tin chalcogenides. GDMB, p. 931-942

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  41. Published

    Oberflächenbeschichtung von Cu-Flachdrähten mit bleifreien Loten

    Pogatscher, S. & Antrekowitsch, H., 2009.

    Research output: Contribution to conferencePosterResearchpeer-review

  42. Published

    Oberflächenbeschichtung von Kupfer-Flachdrähten mit bleifreien Lotlegierungen

    Pogatscher, S. & Antrekowitsch, H., 2009.

    Research output: Contribution to conferencePosterResearchpeer-review

  43. Published
  44. Published

    Prozessstufenminimierte Herstellung von Ti und Ti Legierungen

    Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  45. Published

    Rastscheiben aus Zinkdruckguss

    Konetschnik, S., Hackl, A. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  46. Published
  47. Published

    Recovery of Copper and Precious Metals from Shredder Residues

    Konetschnik, S., Antrekowitsch, H. & Schneeberger, G., 2009, Global Growth of Nonferrous Metals Production. GDMB, p. 661-673

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  48. Published

    Seltene Erden

    Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  49. Published

    Situationsbericht zur Altlast N6

    Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  50. Published

    Surface coating of copper strips with lead free solder alloys

    Pogatscher, S., Koch, S. & Antrekowitsch, H., 2009.

    Research output: Contribution to conferencePosterResearchpeer-review

  51. Published

    Untersuchungen zum Legierungsfenster der A231

    Stadler, F. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  52. Published

    Verfahrenskonzepte zur Herstellung von Zinnsulfid

    Wagner, C., Luidold, S., Antrekowitsch, H. & Rimmer, K., 2009, In: Berg- und hüttenmännische Monatshefte : BHM. 154, p. 101-106

    Research output: Contribution to journalArticleResearchpeer-review

  53. Published
  54. Published

    Zusammenfassung der ersten Vorversuche

    Hoy, C. & Antrekowitsch, H., 2009

    Research output: Book/ReportCommissioned reportTransferpeer-review

  55. 2008
  56. Published

    Aufarbeitung wismuthaltiger Krätzen

    Konetschnik, S., Schnideritsch, H., Antrekowitsch, H. & Brandstätter, D., 2008, In: Berg- und hüttenmännische Monatshefte : BHM. 153, p. 115-120

    Research output: Contribution to journalArticleResearchpeer-review

  57. Published

    Aufbereitung und Metallurgie von metallhaltigen Reststoffen

    Antrekowitsch, H., Pucher, P. & Konetschnik, S., 2008, In: Berg- und hüttenmännische Monatshefte : BHM. 153, p. 230-234

    Research output: Contribution to journalArticleResearchpeer-review

  58. Published

    CD-Labor Halbjahresbericht 2008

    Antrekowitsch, H., 2008

    Research output: Book/ReportCommissioned reportTransferpeer-review

  59. Published

    CD Labor Jahresbericht 2007: CD-Labor für Sekundärmetallurgie der Nichteisenmetalle

    Antrekowitsch, H., 2008

    Research output: Book/ReportCommissioned reportTransferpeer-review

  60. Published

    Charakterisierung von Reststoffen und Verfahrensoptimierung beim Recycling

    Antrekowitsch, H., 2008, Charakterisierung von Reststoffen und Verfahrensoptimierung beim Recycling. p. 27-36

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  61. Published

    Direct carburation of tungsten blue oxide in a fluidized bed reactor

    Luidold, S. & Antrekowitsch, H., 2008, In: International journal of refractory metals & hard materials. 26, p. 324-328

    Research output: Contribution to journalArticleResearchpeer-review

  62. Published

    Einsatzmöglichkeit prozessbedingter Reststoffe beim Al-Recycling

    Prillhofer, R., Prillhofer, B. & Antrekowitsch, H., 2008, Einsatzmöglichkeit prozessbedingter Reststoffe beim Al-Recycling. VGE-Verl., p. 231-236

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  63. Published

    Free-Cutting Aluminium Alloys with Tin as Substitution for Lead

    Koch, S. & Antrekowitsch, H., 2008, In: Berg- und hüttenmännische Monatshefte : BHM. 153, p. 278-281

    Research output: Contribution to journalArticleResearchpeer-review

  64. Published

    Highest Efficiency and Economic Burner Concepts for the Metallurgical Industry

    Potesser, M., Holleis, B., Hengelmolen, A., Antrekowitsch, H. & Spoljaric, D., 2008, Highest Efficiency and Economic Burner Concepts for the Metallurgical Industry. p. 553-556

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  65. Published

    Laserbasierte Nachverbrennungssteuerung im Elektrolichtbogenofen

    Krassnig, H.-J., Kleimt, B., Voj, L. & Antrekowitsch, H., 2008, In: Stahl und Eisen. 128, p. 41-52

    Research output: Contribution to journalArticleResearchpeer-review

  66. Published

    Mechanische Aufbereitung von Aluminiumkrätze & Analysenergebnisse der Schürfungen

    Prillhofer, B. & Antrekowitsch, H., 2008

    Research output: Book/ReportCommissioned reportTransferpeer-review

  67. Published

    Mögliche Einschlussbildung bei der Herstellung von Walzbarren der Legierung EN AW-7075

    Prillhofer, B., Böttcher, H. & Antrekowitsch, H., 2008, In: International aluminium journal. p. 78-84

    Research output: Contribution to journalArticleResearchpeer-review

  68. Published

    New Pyrometallurgical Bullion Lead Refining Process

    Potesser, M., Holleis, B. & Antrekowitsch, H., 2008, New Pyrometallurgical Bullion Lead Refining Process. p. 467-472

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  69. Published

    Nonmetallic inclusions in the secondary industry for the production of aerospace alloy

    Prillhofer, B., Antrekowitsch, H., Böttcher, H. & Enright, P., 2008, Light Metals 2008. p. 603-608

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  70. Published

    Optimisation of the melt quality in casting/holding furnaces

    Prillhofer, B., Antrekowitsch, H. & Böttcher, H., 2008, Proceedings Light Metals 2008 (TMS). p. 627-632

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  71. Published

    Oxipyr-Technik für Erwärmungsöfen zur Energiereduktion oder Produktionssteigerung

    Potesser, M., Holleis, B., Spoljaric, D. & Antrekowitsch, H., 2008, In: Stahl und Eisen. 128, p. 59-63

    Research output: Contribution to journalArticleResearchpeer-review

  72. Published
  73. Published

    Verwertung von Reststoffen beim Aluminium-Recycling

    Prillhofer, R., Prillhofer, B. & Antrekowitsch, H., 2008, In: Berg- und hüttenmännische Monatshefte : BHM. p. 103-108

    Research output: Contribution to journalArticleResearchpeer-review

  74. Published
  75. 2007
  76. Published
  77. Published

    Anode Casting - Chemical Anode Quality

    Wenzl, C., Antrekowitsch, H., Filzwieser, I. & Pesl, J., 2007, Proc. of Copper/Cobre V. p. 91-110

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  78. Published

    Burner Development Chamber for the Copper and Nonferrous Industry.

    Potesser, M., Antrekowitsch, H. & Holleis, B., 2007, Proc.of Copper/Cobre III. p. 681-700

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  79. Published

    CD-Labor Halbjahresbericht 2007: CD-Labor für Sekundärmetallurgie der Nichteisenmetalle

    Antrekowitsch, H. (Editor), 2007, Wien: Eigenverlag.

    Research output: Book/ReportCommissioned reportTransferpeer-review

  80. Published

    CD-Labor Jahresbericht 2006: CDG: Sekundärmetallurgie der Nichteisenmetalle

    Antrekowitsch, H., 2007

    Research output: Book/ReportCommissioned reportTransferpeer-review

  81. Published

    Charakterisierung eines neuen Düsensystems zur Zerstäubung von Metallschmelzen

    Matl, B., Luidold, S., Antrekowitsch, H., Ebner, P. & Rimmer, K., 2007, In: Berg- und hüttenmännische Monatshefte : BHM. p. 76-79

    Research output: Contribution to journalArticleResearchpeer-review

  82. Published

    Current activities for increasing the recycling efficiency at the Fernwärme Wien DMA battery recycling plant

    Wenzl, C., Antrekowitsch, H., Kronberger, B. & Locher, E., 2007, Proceedings of 12th ICBR. p. 0-0

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  83. Published

    Energie- und Stoffbilanzierung eines 36 t Elektrolichtbogenofens

    Krassnig, H.-J., Luidold, S., Antrekowitsch, H., Kleimt, B. & Voj, L., 2007, In: Berg- und hüttenmännische Monatshefte : BHM. p. 287-291

    Research output: Contribution to journalArticleResearchpeer-review

  84. Published

    Hydrogen as a Reducing Agent: State-of-the-Art Science and Technology

    Luidold, S. & Antrekowitsch, H., 2007, In: JOM. 59, p. 20-26

    Research output: Contribution to journalArticleResearchpeer-review

  85. Published

    Hydrogen as a Reducing Agent: Thermodynamic possibilities

    Luidold, S. & Antrekowitsch, H., 2007, In: JOM. 59, p. 58-62

    Research output: Contribution to journalArticleResearchpeer-review

  86. Published

    Impact of Phase Transformations during Homogenisation on Mechanical Properties of AlMgSi-Alloys

    Koch, S. & Antrekowitsch, H., 2007.

    Research output: Contribution to conferencePosterResearchpeer-review

  87. Published

    Influence of the basicity and dwell time of slags on the oxidation state of vanadium ions

    Ressel, R., Luidold, S., Antrekowitsch, H. & Hochenhofer, M., 2007, Proc. of EMC 2. p. 1029-1040

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  88. Published

    Möglichkeiten zur Lösung der Chromproblematik in der Metallurgie

    Luidold, S. & Antrekowitsch, H., 2007, In: Berg- und hüttenmännische Monatshefte : BHM. p. 47-52

    Research output: Contribution to journalArticleResearchpeer-review

  89. Published

    Nonferrous metals at the recycling of electronic scrap - treatment and metallurgical processing

    Messner, T. & Antrekowitsch, H., 2007,

    Proc. of ECO-X: Sustainable Recycling Management & Recycling Network Centrope

    .
    KERP, p. 111-118

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  90. Published

    Passivation Behaviour of Copper Anodes with Various Chemical

    Mubarok, Z., Antrekowitsch, H. & Mori, G., 2007,

    TMS 2007 136 th Annual Meeting & Exhibiton (collected proceedings)

    .
    p. 1-10

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  91. Published

    Problems Developed on the Electrolysis of Copper Anodes with High Contents of Nickel, Antimony, Tin and Lead

    Mubarok, Z., Antrekowitsch, H., Mori, G., Lossin, A. & Leuprecht, G., 2007, Proceedings of the Copper/Cobre 2007. p. 59-76

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  92. Published

    Problems in the Electrolysis of Copper Anodes with high Contents of Nickel, Antimony, Tin and Lead.

    Mubarok, Z. & Antrekowitsch, H., 2007, Proceedings of Copper/Cobre V (2007). p. 59-76

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  93. Published

    Production of Nb-powder by magnesiothermic reduction of niobium oxides in a cyclone reactor

    Luidold, S., Antrekowitsch, H. & Ressel, R., 2007, Proceedings - European Metallurgical Conference, EMC 2007. Vol. 2. p. 995-1006 12 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  94. Published

    Production of Nb - powder by magnesothermic reduction of niobium oxides in a cyclone reactor

    Luidold, S. & Antrekowitsch, H., 2007, EMC 2. p. 995-1006

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  95. Published
  96. Published

    Review of Anode Casting – Part I: Chemical Anode Quality

    Wenzl, C., Filzwieser, A. & Antrekowitsch, H., 2007, In: World of metallurgy - Erzmetall : internationale Fachzeitschrift für Metallurgie. 60, p. 77-83

    Research output: Contribution to journalArticleResearchpeer-review

  97. Published

    Review of Anode Casting – Part II: Physical Anode Quality

    Wenzl, C., Filzwieser, A. & Antrekowitsch, H., 2007, In: World of metallurgy - Erzmetall : internationale Fachzeitschrift für Metallurgie. 60, p. 83-88

    Research output: Contribution to journalArticleResearchpeer-review

  98. Published

    Study of the precipitation kinetics in AlMgZn alloys by using DSC

    Koch, S. & Antrekowitsch, H., 2007, European Metallurgical Conference EMC 2007 - Volume 4. p. 1947-1956

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  99. Published

    The Elliptical Anode Furnace—A Metallurgical Comparison

    Potesser, M., Antrekowitsch, H. & Köhlhofer, J., 2007, In: RHI bulletin : the journal of refractory innovations. 2, 2, p. 44-48

    Research output: Contribution to journalArticleResearchpeer-review

  100. Published

    The Elliptical Anode Furnace - A metallurgical Comparison - Part One

    Potesser, M., Antrekowitsch, H. & Zulehner, U., 2007, Proc.of Copper/Cobre III. p. 667-680

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  101. Published

    The new elliptical anode furnace metallurgical compared with conventional copper anode furnaces.

    Potesser, M., Antrekowitsch, H. & Zulehner, U., 2007, Proc.of EMC 1. p. 157-169

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  102. Published
  103. Published

    Thermodynamic modelling of the behaviour of accompanying elements in secondary copper production

    Messner, T., Pogatscher, S., Antrekowitsch, H. & Pesl, A., 2007, Thermodynamic modelling of the behaviour of accompanying elements in secondary copper production. p. 1819-1836

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  104. Published

    Understanding vessel integrity, a study of the thermo-mechanical behaviour of refractory lining segments

    Prietl, T., Zach, O., Drew, B. & Antrekowitsch, H., 2007, Proc. of EMC 2. p. 1017-1028

    Research output: Chapter in Book/Report/Conference proceedingConference contribution