@book{13347,
	author = {Ratto, Jorge A.},
	title = {Ecología},
	publisher = {Marymar},
	year = {1997},
	series = {El maestro en su acción cotidiana},
	address = {Buenos Aires},
	edition = {2| ed.},
	note = {Contiene glosario en p. 137}
}