@book{224854,
	author = {Guevara, Rigoberto, and ebrary, Inc.},
	title = {Homogeneidad dentro de la heterogeneidad},
	publisher = {Peter Lang,},
	year = {2009.},
	series = {Latin America,},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10517074}
}