@book{94039,
	author = {Osuna Laparra, Oswaldo},
	title = {Potencial turístico de naturaleza del ejido El Limón en la Sierra de Huautla Morelos},
	publisher = {El autor,},
	year = {2007.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/105614.pdf}
}