author- AMCIS, page 808. Association for Information Systems, (2009)
- (October 2006)
- ICEEI, page 1-6. IEEE, (2011)
- TEAR, volume 70 of Lecture Notes in Business Information Processing, page 16-29. Springer, (2010)
- EDOC, page 14-23. IEEE Computer Society, (2010)
- GI Jahrestagung 2, volume 134 of LNI, page 559-565. GI, (2008)
- HICSS, page 1-9. IEEE Computer Society, (2011)
- International Journal of Internet and Enterprise Management 7(1):84-103 (2011)
- BMMDS/EMMSAD, volume 29 of Lecture Notes in Business Information Processing, page 381-393. Springer, (2009)
- Wissenschaftstheorie und gestaltungsorientierte Wirtschaftsinformatik (2009)
- CIAO! / EOMAS, volume 34 of Lecture Notes in Business Information Processing, page 55-69. Springer, (2009)
- Wirtschaftsinformatik 1, volume 246 of books@ocg.at, page 99-108. Österreichische Computer Gesellschaft, (2009)
- International Journal of Infectious Diseases 12(Supplement 1):e296 - e296 (2008)13th International Congress on Infectious Diseases, Abstracts .
- Data Warehousing, volume 138 of LNI, page 363-378. GI, (2008)
- AIS Transactions on Enterprise Systems 1(1):36-43 (2009)
- IEICE Electronic Express 2(6):182-185 (2005)
- IEICE Electronic Express 2(6):186-191 (2005)
