@book{27534,
	author = {Congreso Nacional de Zoología ( and ENA.},
	title = {Memoria},
	publisher = {ENA,},
	year = {1978},
	address = {Chapingo, Méx. :},
	note = {Incluye: Simposio Nacional de Ornitología (1: 1976 : Tuxtla Gutiérrez, Chis)}
}