LI Cui-ming, CHEN Jian, YANG Ping and REN Yan-hong
Information Technology Journal 12 ( 23 ): 7160 - 7164 , 2013
Li Cui-ming, Yang Ping, Gong Jun and Guo Chun-yang
Journal of Applied Sciences 13 ( 22 ): 5071 - 5077 , 2013