%0 Journal Article %T Energy Efficiency of Opportunistic Device-to-Device Relaying Under Lognormal Shadowing %A Zafaruddin, S. M. %A Plachy, Jan %A Becvar, Zdenek %A Leshem, Amir %J Electrical Engineering and Systems Science %V 2018 %N 1803 %D 2018-03-02 %~ DeepDyve