@article {13369, title = {CLIQUE: A Suite of Programs for Extracting Cliques from a Symmetric Graph}, journal = {Behavioral Science}, volume = {2}, year = {1975}, url = {http://www.springer.com/online+journals+archive/behavioral+science?SGWID=0-40734-12-162111-0}, author = {James Alt and Norman Schofield} }