D. Roomi, R.Bhargavi, и T. Banu. International Journal of Computer Science, Engineering and Information Technology (IJCSEIT), 2 (2):
159-175(апреля 2012)
N. Modalavalasa, G. Rao, и K. Prasad. International Journal of Computer Science, Engineering and Information Technology (IJCSEIT), 2 (2):
67-78(апреля 2012)