Black art of Java game programming, 1996: ‡b CIP t.p. (Eric Ries) data sheet (b. 7/22/78)

The lean startup, 2011: ECIP t.p. (Eric Ries) data view (ERIC RIES is a highly regarded entrepreneur who lives in Silicon Valley; cofounder of the highly successful IMVU)

IMVU website, viewed Apr. 4, 2011 about IMVU (Eric Ries, Co-Founder and IMVU Board Observer; Eric co-founded IMVU in April 2004 and served as Chief Technology Officer from its inception to August 2008. Eric is the co-author of several books including The Black Art of Java Game Programming)

Wikipedia, October 29, 2018: (Eric Ries (born September 22, 1978) is an American entrepreneur, blogger, and author; education, Yale University)