@book{48157,
	author = {Edwards, Ernest Preston, and Butler, Edward Murrell},
	title = {A field guide to the birds of Mexico and adjacent areas :},
	publisher = {University of Texas Press,},
	year = {[1998]},
	address = {Austin :},
	edition = {Third edition},
	note = {Edición revisada de: Field guide to the birds of Mexico. 2nd ed. c1989.}
}