@book{96056,
	author = {Pérez Robles, Karina.},
	title = {Cambios especiales y transformaciones en la vida de los pueblos rurales de Tlalpan},
	publisher = {El autor,},
	year = {2008},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/107687.pdf}
}