- ESANN, (2011)
- J Rehabil Res Dev 46(9):1109--1120 (2009)
- Der Unfallchirurg (2005)10.1007/s00113-005-0978-0 .
- Virtually there: emerging designs for STEM teaching and learning in immersive online 3D microworlds.ICLS 3, page 383-391. International Society of the Learning Sciences, (2008)
- AMCIS, page 225. Association for Information Systems, (2003)
- AMCIS, page 188. Association for Information Systems, (2004)
- AMCIS, page 293. Association for Information Systems, (2004)
- AMCIS, page 334. Association for Information Systems, (2004)
- AMCIS, page 350. Association for Information Systems, (2007)
- AMCIS, page 494. Association for Information Systems, (2006)
- AMCIS, page 703. Association for Information Systems, (2009)
- AMCIS, page 377. Association for Information Systems, (2010)
- AMCIS, page 530. Association for Information Systems, (2010)
- EUROCRYPT, volume 473 of Lecture Notes in Computer Science, page 294-305. Springer, (1990)
- CHI, page 337-344. ACM, (2000)
- CHI 95 Conference Companion, page 333. ACM, (1995)
- CHI 95 Conference Companion, page 367-368. ACM, (1995)
- CHI Extended Abstracts, page 137. ACM, (1997)
- CHI Extended Abstracts, page 115-116. ACM, (1997)
- CSCL, page 612-614. International Society of the Learning Sciences / ACM DL, (2007)


author