@book{61258,
	author = {Alvarado Aguirre, Angel A. and Gómez Vázquez, Ma Elizabeth.},
	title = {Estimación de la oferta y demanda de leche a nivel nacional (1970-1994)},
	publisher = {El autor,},
	year = {1996},
	address = {Chapingo, Méx. :}
}