- Journal of the American Society for Information Science and Technology 62(7):1243--1256 (2011)
- page 1-4. Koblenz, (2011)
- Fraunhofer-Institut für Arbeitswirtschaft und Organisation, Stuttgart, (2010)
- Junior physician's use of Web 2.0 for information seeking and medical education: A qualitative studyInternational Journal of Medical Informatics 78(10):645-655 (2009)
- Cambrigde University Press, Cambrige, New York, Melbourne, Madrid, Cape Town, Singapore, Sao Paulo, 2 edition, (2006)
- Hogrefe, (2005)
- UVK, Konstanz, (1998)


user