@book{2311,
	author = {Camacho Casas, Miguel Alfonso.},
	title = {Guía para producir trigo en el sur de Sonora},
	publisher = {INIFAP. Campo Experimental Valle del Yaqui,},
	year = {1989},
	address = {Cd. Obregón, Son. :},
	note = {D45-94}
}