Rohokale, V.M. , Prasad, N.R. and Prasad, R. 2012. Cooperative Wireless Communications and Physical Layer Security: State-of-the-Art. Journal of Cyber Security and Mobility. 1, 2-3 (Apr. 2012), 226–249. DOI:https://doi.org/10.13052/jcsm2245-1439.1235.