P. R, K. M, M. H, K. Venugopal, and L. Patnaik. International Journal of Innovative Science and Modern Engineering (IJISME), 3 (2):
67-74(January 2015)
M. Brenner, H. Perl, and M. Smith. Trust, Security and Privacy in Computing and Communications (TrustCom), 2012 IEEE 11th International Conference on, page 375 -382. (June 2012)
J. Jadav, D. Wandra, and M. Dabhi. International Journal on Recent and Innovation Trends in Computing and Communication, 3 (2):
583--586(February 2015)