1. Vertretung in der Bundesrepublik Deutschland, EU-Kommission, EU-Nachrichten, Themenheft Nr. 1. eEurope, 2002, p. 18.
2. The World Wide Web: a review of an emerging Internet-based technology for the distribution of biomedical information;Lowe;J. Am. Med. Inform. Assoc.,1996
3. Active learning centre: utilization patterns of an interactive educational World Wide Web site;Turchin,1999
4. Learning Resource Server, College of Education, University of Illinois. http://lrs.ed.uiuc.edu/lrs.
5. Multimediale medizinische Lehr- und Lernsoftware im World Wide Web: Eine Angebotsanalyse;Stausberg,1999