@book{89402,
	author = {Ángel Andrés, Lorena.},
	title = {Estructura de la vegetación del Parque Estatal "Sierra de Tepotzotlán", Estado de México /},
	publisher = {El autor,},
	year = {2004.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/100930.pdf}
}