Injong Rhee Srinath R. Joshi Minsuk Lee S. Muthukrishnan Volkan Ozdemir Layered Multicast Recovery. 805-813 2000 INFOCOM http://www.ieee-infocom.org/2000/papers/156.ps db/conf/infocom/infocom2000-2.html#RheeJLMO00