7 Things You Should Know About...Screencasting. Educause Learning Initiative, March 2006.
http://net.educause.edu/ir/library/pdf/ELI7012.pdf
Screencasting: How to Start, Tools, and Guidelines. Adam Hay, Smashing Magazine, August 19, 2008.
http://www.smashingmagazine.com/2008/08/19/screencasting-how-to-start/
Screenr: Simple Screencasting for Twitter Users. Jennifer Van Grove, Mashable.com, August 19, 2009.