@book{6181,
	author = {Johnson, Valen E. and Albert, Jim, and ebrary, Inc.},
	title = {Ordinal data modeling},
	publisher = {Springer,},
	year = {c1999.},
	series = {Statistics for social science and public policy},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=5006008}
}