@book{237940,
	author = {Howell, Steve N. G. and Patteson, J. Brian. and ebrary, Inc.},
	title = {Petrels, albatrosses, and storm-petrels of North America},
	publisher = {Princeton University Press,},
	year = {c2012.},
	address = {Princeton :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10522515}
}