- Information - Wissenschaft & Praxis 60(4):209-213 (2009)
- AMCIS, page 267. Association for Information Systems, (2010)
- ECIS, (2010)
- ECIS, (2011)
- CHI, page 43-51. ACM, (1990)
- ECI, volume 123 of Lecture Notes in Computer Science, page 50-64. Springer, (1981)
- Business Process Management Workshops, volume 66 of Lecture Notes in Business Information Processing, page 384-395. Springer, (2010)
- Discrete & Computational Geometry 22(2):269-285 (1999)
- Algorithmica 26(3-4):389-429 (2000)
- Business & Information Systems Engineering 3(1):57 (2011)
- i-com 9(3):3-6 (2010)
- ITI, page 153-158. IEEE, (2009)
- ICEIS 4, page 65-70. SciTePress, (2010)
- IEEE Transactions on Robotics 16(2):157-170 (2000)
- ZEIT Wissen (1):64-68 (2011)- Dossier mit weiteren Artikeln zum Thema; mit Webadressen .
- Business & Information Systems Engineering 2(6):391-394 (2010)
- BIS Workshops, volume 57 of Lecture Notes in Business Information Processing, page 158-167. Springer, (2010)
- Wirtschaftsinformatik 52(6):387-390 (2010)
- Mensch und Computer 2009: Grenzenlos frei?, München, Oldenbourg, (2009)
- GI Jahrestagung 1, volume 175 of LNI, page 585-590. GI, (2010)


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