S. Zhang, and S. Goddard. International Conference on Information Technology: Coding and Computing, 2005. ITCC 2005, 2, page 443-- 448 Vol. 2. IEEE, (April 2005)
S. Moosavi, {. Seyyedi, and N. Moghadam. Information Technology: New Generations, 2009. ITNG '09. Sixth International Conference on, page 290--295. (April 2009)
R. Klopper, S. Gruner, and D. Kourie. Proceedings of the 2007 annual research conference of the South African institute of computer scientists and information technologists on IT research in developing countries, page 56--65. Port Elizabeth, South Africa, ACM, (2007)
X. Jia, S. Ying, H. Cao, and D. Xie. Sixth International Conference on Grid and Cooperative Computing, 2007. GCC 2007, page 96--103. IEEE, (August 2007)