@book{97451,
	author = {Crabtree, John, and Whitehead, Laurence,},
	title = {Unresolved tensions :},
	publisher = {University of Pittsburgh Press,},
	year = {2008.},
	series = {Pitt Latin American Series},
	address = {Pittsburgh, Pennsylvania :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10853151}
}