Xia Zi-Xiang, Tian Cun-Zhi and Li Yun-Chun
Information Technology Journal 12 ( 14 ): 2929 - 2935 , 2013
Xia Zi-Xiang, Tian Cun-Zhi and Lu Ya-Qin
Journal of Applied Sciences 13 ( 16 ): 3168 - 3174 , 2013