@book{208413,
	author = {Opler, Paul A.},
	title = {Peterson first guide to butterflies and moths /},
	publisher = {Houghton Mifflin},
	address = {New York  :},
	note = {Texto basado en Field guide to eastern butterflies por Paul Opler, copyright 1992  T.p verso \ Incluye referencias bibliográficas (p. 123) e índice.}
}