http://grandsubversion.com/atpyspg2.htm
http://www.jfklancer.com/backes/horne/Backes2b.html
http://spot.acorn.net/jfkplace/09/fp.back_issues/25th_Issue/updates.html
http://karws.gso.uri.edu/JFK/the_critics/feinman/between_the_signal/
Chapter_six.html
http://pages.prodigy.net/whiskey99/chapter4.htm