    @inproceedings {JavierLopez1994,
	title = {Sistema de Cifrado de Correo Electr{\'o}nico en Red de Area Local},
	booktitle = {III Reuni{\'o}n Espa{\~n}ola de Criptolog{\'\i}a (III REC)},
	year = {1994},
	month = {Noviembre},
	pages = {133-138},
	address = {Barcelona, Espa},
	author = {Javier Lopez and Carlos Maraval}
}
