Guomin Wang and Qingyuan Zhou
Information Technology Journal 13 ( 6 ): 1078 - 1085 , 2014
Information Technology Journal 13 ( 6 ): 1102 - 1109 , 2014
Qingyuan Zhou and Jianjian Luo
Information Technology Journal 13 ( 6 ): 1272 - 1276 , 2014