@book{127166,
	author = {Marzluff, John M. and Angell, Tony. and ebrary, Inc.},
	title = {In the company of crows and ravens},
	publisher = {Yale University Press,},
	year = {2005.},
	address = {New Haven :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10210188}
}