Montse Rubia Juan Carlos Cruellas Manuel Medina The DEDICA Project: The Solution to the Interoperability Problems between the X.509 and EDIFACT Public Key Infrastructures. 242-250 1999 conf/cqre/1999 CQRE http://link.springer.de/link/service/series/0558/bibs/1740/17400242.htm db/conf/cqre/cqre1999.html#RubiaCM99