Chapter 4
www.informs.org
www.hsor.org/what_is_or.cfm?name=linear_programming
http://www-gap.dcs.st-and.ac.uk/~history/Biographies/Dantzig_George.html
http://www.neos-guide.org/NEOS/index.php/Linear_Programming_FAQ
en.wikipedia.org/wiki/Linear_programming