@book{88739,
	author = {Morán Villa, Yadhira Darinka.},
	title = {Caracterización de la agricultura orgánica purista en la Zona Centro de México /},
	publisher = {El autor,},
	year = {2004.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/100262.pdf}
}