@ARTICLE{HatoumTVT14,
author={Hatoum, A. and Langar, R. and Aitsaadi, N. and Boutaba, R. and Pujolle, G.}, 
journal={Vehicular Technology, IEEE Transactions on}, 
title={Cluster-Based Resource Management in OFDMA Femtocell Networks With QoS Guarantees}, 
year={2014}, 
month={Jun}, 
volume={63}, 
number={5}, 
pages={2378-2391}, 
}