@book{8298,
	author = {Russell, Kenneth N.},
	title = {Principios de producción lechera},
	publisher = {El Ateneo,},
	year = {1985},
	series = {Agronomía y veterinaria},
	address = {Buenos Aires :},
	note = {Trad. de : The Principles of dairy farming, 9 ed. de 1981}
}