Deyuan Liu, Changfeng Zhu, Linna Cheng and Haijun Li
Information Technology Journal 12 ( 6 ): 1257 - 1262 , 2013
Changfeng Zhu, Deyuan Liu, Linna Cheng and Haijun Li
Information Technology Journal 12 ( 6 ): 1251 - 1256 , 2013