@book{21151,
	author = {Chapman, Frank M. and Sterling, Keir B.},
	title = {Essays in South American ornithogeography},
	publisher = {Arno Press},
	year = {1978.},
	series = {Biologists and their world},
	address = {New York},
	note = {Reprint of various volumes of the Bulletin of the American Museum of Natural History published in New York, 1917-1931.}
}