@ARTICLE{Offloading2016SGBH, 
author={V. Sciancalepore and D. Giustiniano and A. Banchs and A. Hossmann-Picu}, 
journal={IEEE Journal on Selected Areas in Communications}, 
title={Offloading Cellular Traffic Through Opportunistic Communications: Analysis and Optimization}, 
year={2016}, 
volume={34}, 
number={1}, 
pages={122-137}, 
month={Jan}
}