@book{103452,
	author = {Ruiz Pérez, Ignacio.},
	title = {Nostalgia de la unidad natural :},
	publisher = {Instituto Mexiquense de Cultura,},
	year = {2011},
	series = {Biblioteca Mexiquense del Bicentenario},
	address = {Toluca, Edo. de Mex. :},
	edition = {2 ed.}
}