@book{43551,
	author = {Clements, James F. and Cornell University.},
	title = {The Clements checklist of the birds of the world /},
	publisher = {Christopher Helm,},
	year = {2007},
	address = {London :},
	edition = {6th ed.},
	note = {"The official world checklist of the American Birding Association, published in collaboration with the Cornell Laboratory of Ornithology."}
}