Arthur C. S. Wong Kwok-Wa Lam Karmen K. M. Ho Victor C. S. Lee Using Lock-Based Checking Protocol for Efficient Data Broadcast in Mobile Environments. 484-489 2004 conf/icdcsw/2004 ICDCS Workshops http://doi.ieeecomputersociety.org/10.1109/ICDCSW.2004.1284076 db/conf/icdcsw/icdcsw2004.html#WongLHL04