@book{47685,
	author = {Powell, Arthur B. and ebrary, Inc.},
	title = {Ethnomathematics},
	publisher = {State University of New York Press,},
	year = {c1997.},
	series = {SUNY series, reform in mathematics education},
	address = {Albany :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10064652}
}