@book{527,
	author = {Pomerol, Charles. and Fouet, Robert.},
	title = {Las Rocas Metamórficas /},
	publisher = {Editorial Universitaria de Buenos Aires,},
	year = {1967.},
	series = {Les Roches Métamorphiques},
	address = {Buenos Aires :},
	edition = {2ª ed.}
}