Jaeeun Na Yeonkwon Jeong Joongsoo Ma A Voluntary Relaying MAC Protocol for Multi-rate Wireless Local Area Networks. 1161-1164 2007 conf/networking/2007 Networking http://dx.doi.org/10.1007/978-3-540-72606-7_104 db/conf/networking/networking2007.html#NaJM07