@book{2151,
	author = {Gómez Bohorquez, A. and Tomé Nacle, J.J.},
	title = {Guía de la cordillera blanca de los Andes del Perú : },
	publisher = {Desnivel, },
	year = {1998},
	address = {Madrid : },
	edition = {1a. ed.}
}