http://www.ja.net/CERT/Seeley/tour.txt: “A Tour of the Worm”, Don Seeley
http://www.j-walk.com/ss/excel/eastereg.htm: “Excel's Easter Eggs”, JWalk & Associates, Inc.
http://www.eeggs.com/: “The Easteregg Archive”, David Wolf
“Microsoft will alter its software in response to security concerns”, John Markoff, The New York Times, Sunday, March 7, 1999, p. 1.
“Bug payment spat sparks debate on Internet altruism”, Sharon Machlis, Computer World, June 23, 1997, p. 1
