@book{90270,
	author = {Padilla García, María Angélica.},
	title = {Estrategia para el manejo integral en la microcuenca del Río San Juan Amajac, Hidalgo /},
	publisher = {El autor,},
	year = {2005.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/101800.pdf}
}