@book{216303,
	author = {Alderfer, Jonathan K. and National Geographic Society U.S.},
	title = {National Geographic complete birds of North America},
	publisher = {National Geographic},
	year = {c2006.},
	address = {Washington, D.C.},
	url = {http://www.loc.gov/catdir/enhancements/fy0625/2005054495-b.html}
}