Jabeom Gu Sehyun Park Ohyoung Song Jaeil Lee Jaehoon Nah Sung Won Sohn Mobile PKI: A PKI-Based Authentication Framework for the Next Generation Mobile Communications. 180-191 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2727&spage=180 2003 conf/acisp/2003 ACISP db/conf/acisp/acisp2003.html#GuPSLNS03