@book{346659,
	author = {Casas, R. R. (ed.) and FAO, Santiago (Chile). Oficina Regional para America Latina y el Caribe},
	title = {Manejo de suelos en region semiarida.},
	publisher = {FAO/RLAC, },
	year = {1990. },
	address = {Santiago (Chile): },
	note = {Includes bibliographies}
}