Mohammed A. Moharrum Ravi Mukkamala Mohamed Eltoweissy A novel collusion-resilient architecture for secure group communication in wireless ad-hoc networks. 73-92 2006 15 J. High Speed Networks 1 http://iospress.metapress.com/openurl.asp?genre=article&issn=0926-6801&volume=15&issue=1&spage=73 db/journals/jhsn/jhsn15.html#MoharrumME06