^ David Noonan, Peter Mountney, Daniel Elson, Ara Darzi and Guang-Zhong Yang. A Stereoscopic Fibroscope for Camera Motion and 3D Depth Recovery During Minimally Invasive Surgery. In proc ICRA 2009 , pp. 4463-4468. <http://www.sciweavers.org/external.php?u=http%3A%2F%2Fwww.doc.ic.ac.uk%2F%7Epmountne%2Fpublications%2FICRA%25202009.pdf&p=ieee>
^ Jon Radoff, Anatomy of an MMORPG, http://radoff.com/blog/2008/08/22/anatomy-of-an-mmorpg/
