@book{87591,
	author = {Mota Cruz, Cecilio.},
	title = {Estudio etnobotánico en una comunidad popoloca :},
	publisher = {El autor,},
	year = {2003.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/99108.pdf}
}