Zixue Guo, Meiran Qi, Yumeng Zheng and Xiaoyan Li
Information Technology Journal 12 ( 15 ): 3452 - 3456 , 2013
Zixue Guo, Wen Yan and Meiran Qi
Information Technology Journal 12 ( 15 ): 3467 - 3471 , 2013
Zixue Guo, Meiran Qi and Shipu Liu
Information Technology Journal 12 ( 16 ): 3915 - 3920 , 2013