@book{123041,
	author = {Pruss, Alexander R. and ebrary, Inc.},
	title = {The principle of sufficient reason},
	publisher = {Cambridge University Press,},
	year = {2006.},
	series = {Cambridge studies in philosophy},
	address = {New York :},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio6203608}
}