@book{2305,
	author = {Valenzuela Borbón, Jesús Rafael.},
	title = {Guía para producir sorgo en el sur de Sonora},
	publisher = {INIFAP. Campo Experimental Valle del Yaqui,},
	year = {1990},
	address = {Cd. Obregón, Son. :},
	note = {D45-88}
}