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Qiwu Luo, Yigang He, Wenxin Yu and Jian Zheng
Information Technology Journal 13 ( 4 ): 683 - 689 , 2014
Hongmin Li, Yigang He and Yichuang Sun
Information Technology Journal 13 ( 4 ): 661 - 668 , 2014
Xianming Wu, Yigang He, Qiwu Luo and Baiqiang Yin
Information Technology Journal 13 ( 17 ): 2704 - 2709 , 2014