@book{88648,
	author = {Nuñez Escalona, Omar Efrén.},
	title = {Prueba de concepto para el zumo de tuna en Hospitallet, Barcelona España /},
	publisher = {El autor,},
	year = {2004.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/100171.pdf}
}