@book{97493,
	author = {Corona Pérez, Ulises Andrés.},
	title = {El agente de carga en las operaciones aeroportuarias y maritimas :},
	publisher = {El autor,},
	year = {2009},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/109150.pdf}
}