@book{2480,
	author = {INIA. México. Centro de Investigaciones Básicas},
	title = {Recomedanciones Generales del Campo Chapingo},
	publisher = {El Instituto,},
	year = {1964},
	series = {Circular CIB},
	address = {México, D. F. :},
	note = {D46-17}
}