@ARTICLE {2077,
author={A. Correia and J. C. Silva and N.S. Souto},
doi={10.1109/TBC.2007.891705},
journal={IEEE Transactions on Broadcasting},
title={Multi-Resolution Broadcast/Multicast Systems for MBMS},
year={2007},
month={March},
volume={53},
number={1},
pages={224-234},
ISSN={0018-9316}
}