@book{20166,
	author = {Etchevehere, Pedro H.},
	title = {Normas de reconocimiento de suelos /},
	publisher = {INTA,},
	year = {1976.},
	series = {Suelos / Departamento de Suelos ;},
	address = {Castelar, Bs.As. :},
	edition = {2a ed. actualizada.}
}