@book{27716,
	author = {INIA. México. Campo Agrícola Experimental Río Bravo},
	title = {Programa de maíz y sorgo},
	publisher = {El Instituto,},
	year = {19 -},
	address = {(Cd. Río Bravo, Tamps.) :},
	note = {La biblioteca tiene: 1972-73}
}