@book{20615,
	author = {Panigatti, José Luis and Buchiazo, D. and Instituto Nacional de Tecnología Agropecuaria. INTA. },
	title = {Siembra directa II.},
	publisher = {INTA,},
	year = {2001.},
	address = {Buenos Aires :},
	note = {Estado de la obra: Alfagrama.}
}