@book{60015,
	author = {Castor Rivas, Arturo.},
	title = {Prueba de tres variedades de espárrago (Asparagus officinalis) en Villa Ahumada, Chih.},
	publisher = {El autor,},
	year = {1988},
	address = {Cd. Juárez, Chih. :}
}