Natalija Vlajic Charalambos D. Charalambous Dimitrios Makrakis Performance aspects of data broadcast in wireless networks with user retrials. 620-633 2004 12 IEEE/ACM Trans. Netw. 4 http://portal.acm.org/citation.cfm?id=1024578.1024583 db/journals/ton/ton12.html#VlajicCM04