    @inproceedings {1741,
	title = {Sistema Jer{\'a}rquico de Administraci{\'o}n de Claves P{\'u}blicas para el Correo Electr{\'o}nico},
	booktitle = {I Jornadas de Ingenier{\'\i}a Telem{\'a}tica (JITEL{\textquoteright}97)},
	year = {1997},
	month = {Sep 1997},
	pages = {295-302},
	address = {Bilbao (Spain)},
	isbn = {84-89654-04-2},
	author = {Lucia Pino and Antonio Mana and Juan J. Ortega and Javier Lopez}
}
