@book{72121,
	author = {Wargon, Sylvia T. and ebrary, Inc.},
	title = {Demography in Canada in the twentieth century},
	publisher = {UBC Press,},
	year = {c2002.},
	address = {Vancouver :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10055950}
}