@book{81163,
	author = {Schulenberg, Thomas S. and ebrary, Inc.},
	title = {Birds of Peru},
	publisher = {Princeton University Press,},
	year = {c2007.},
	series = {Princeton field guides},
	address = {Princeton :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10404089}
}