@book{7427,
	author = {Klockmann, Friedrich and Pardillo, Francisco},
	title = {Tratado de mineralogía.},
	publisher = {Gustavo Gili,},
	year = {1961.},
	address = {Barcelona :},
	edition = {2a ed.},
	note = {Edición ampliada con arreglo a la 14a ed. alemana.}
}