@book{95704,
	author = {López López, Iván.},
	title = {Potencial hídrico en la región fronteriza del Estado de Chiapas},
	publisher = {El autor,},
	year = {2008},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/107332.pdf}
}