@book{2307,
	author = {Romo Ruiz, Carlos. and Torres Ramírez, Elías.},
	title = {Guía para producir sorgo en la Sierra de Sonora},
	publisher = {INIFAP. Campo Experimental Sierra de Sonora,},
	year = {1990},
	address = {Moctezuma, Son. :},
	note = {D45-90}
}