@book{3430,
	author = {Gómez Garay, Luis.},
	title = {Sistema arrocero de la cuenca del Papaloapan},
	publisher = {Unión General Obrera, Campesina y Popular,},
	year = {[198-168-?]},
	address = {[México, D. F.] :},
	note = {D49-250}
}