Florina Almenárez Mendoza Mildrey Carbonell Jordi Forné M. Francisca Hinarejos Marc Lacoste Andrés Marín López José A. Montenegro Design of an Enhanced PKI for Ubiquitous Networks. 262-266 2005 conf/dexaw/2005 DEXA Workshops http://dx.doi.org/10.1109/DEXA.2005.73 db/conf/dexaw/dexaw2005.html#AlmenarezCFHLMM05