@book{90016,
	author = {Leiss, William, and Powell, Douglas Alan, and ebrary, Inc.},
	title = {Mad cows and mother's milk},
	publisher = {McGill-Queen's University Press,},
	year = {1997.},
	address = {Montreal ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10141787}
}