Thiagarajan, S. (2015, April 3). Newton. The Thiagi group: Improving performance playfully. Retrieved from http://thiagi.net/archive/www/pfp/IE4H/june2013.html#VideoJolt

The video demonstration: 

Lollie Videography. (2012, May 19). Thiagi @ Agile Games 2012 “Newton” [Video file]. Retrieved from https://www.youtube.com/watch?v=l_0MKTL3lYs

The video was recorded live in Boston at the 2012 Agile Games conference and produced by Lollie Videography.