S.M. ChengW.R. LaiP. LinK.C. ChenKWANG-CHENG CHEN2018-09-102018-09-102008-01http://scholars.lib.ntu.edu.tw/handle/123456789/342878Key Management for UMTS MBMSjournal article10.1109/twc.2008.0704002-s2.0-52349095836WOS:000259674000040