Gao Zihe, Guo Qing and Na Zhenyu
Information Technology Journal 10 ( 2 ): 285 - 292 , 2011
Zhang Zhu, Guo Qing and Meng Fanyu
Information Technology Journal 10 ( 4 ): 894 - 898 , 2011
Li Dezhi, Gu Xuemai and Guo Qing
Information Technology Journal 10 ( 7 ): 1325 - 1333 , 2011