R. Davoli. ITiCSE '04: Proceedings of the 9th annual SIGCSE conference on Innovation
and technology in computer science education, стр. 112--116. New York, NY, USA, ACM, (2004)
B. Shearer, и S. Nagy. Journal of the Medical Library Association : JMLA, 91 (3):
292-302(июля 2003)LR: 20041117; PUBM: Print; JID: 101132728; 2002/11/01 received; 2003/02/01 accepted; ppublish.
M. McClellan. The New England journal of medicine, 356 (17):
1700-1702(апреля 2007)PUBM: Print-Electronic; DEP: 20070413; JID: 0255562; 2007/04/13 aheadofprint; ppublish.