Du Xianjun, Yu Ping and Shi Songtao
Information Technology Journal 12 ( 14 ): 2651 - 2655 , 2013
Wang Qiang, Du Xianjun, Yu Ping and Ma Yongwei
Journal of Applied Sciences 13 ( 17 ): 3528 - 3532 , 2013
Du Xianjun, Yu Ping and Ren Chongyu
Journal of Applied Sciences 13 ( 21 ): 4869 - 4874 , 2013