Kang Kai, Zhang Jing, Shang Cui-Juan and Yang Xiao-Xu
Information Technology Journal 12 ( 20 ): 5595 - 5600 , 2013
Sun Fuhua, Shen Juqin, Wang Juan and Kang Kai
Journal of Applied Sciences 13 ( 14 ): 2715 - 2719 , 2013