@book{49779,
	author = {Ballonoff, Paul A., and American Anthropological Association.},
	title = {Mathematical models of social and cognitive structures : },
	publisher = {University of Illinois Press,},
	year = {1974.},
	series = {Illinois studies in anthropology ;},
	address = {Urbana :},
	note = {A collection of papers, most of which were originally prepared for and presented at the 1972 annual meetings of the American Anthropological Association, in Toronto.}
}