@book{92271,
	author = {Carrillo García, Rosa Laura.},
	title = {Diagnóstico ecoturístico del Parque Nacional Lagunas de Zempoala /},
	publisher = {El autor,},
	year = {2006.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/103815.pdf}
}