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Information Technology Journal 12 ( 18 ): 4725 - 4729 , 2013
Yilei Hou, Jing Wu, Longbo Ma and Yali Wen
Information Technology Journal 12 ( 20 ): 5906 - 5910 , 2013
Jinyu Shen, Zhao jing and Yali Wen
Information Technology Journal 12 ( 24 ): 8604 - 8608 , 2013