@book{7908,
	author = {Cooper, McGregor M. and Morris, David W.},
	title = {Agricultura forrajera},
	publisher = {El Ateneo,},
	year = {1986},
	series = {Agronomía y veterinaria},
	address = {Buenos Aires:},
	note = {Trad. de : Grass farming, 5 ed. de 1983}
}