@book{3885,
	author = {Pérez Trujillo, Héctor.},
	title = {El cultivo de frijol en Zacatecas},
	publisher = {INIFAP. Centro de Investigaciones Forestales y Agropecuarias de Zacatecas,},
	year = {1990},
	series = {Folleto para productores},
	address = {Calera, Zac. :},
	note = {D51-212}
}