@article{cohen-katzir-rizzi08,
author =  "Reuven Cohen and Liran Katzir and Romeo Rizzi",
title =    "On the Trade-off Between Energy and Multicast Efficiency in 802.16e-like Mobile Networks",
journal =  "IEEE Transactions on Mobile Computing",
volume = 7,
number = 3,
month =  "March",
year =   2008,
pages = "346 -- 357",
note  = "An earlier version was presented in Infocom'2006"
}