@book{9750,
	author = {Castillo González, Ana María and Avitia García, Edilberto.},
	title = {Gametogénesis en angiospermas},
	publisher = {UACH. Dirección de Difusion Cultural,},
	year = {1993},
	series = {Apoyos académicos},
	address = {Chapingo, Méx. :}
}