Zhang Mingxin, Ruan Wenhui, Zhou Yatong, Junyi Shen and Zhu Yaling
Information Technology Journal 7 ( 7 ): 1077 - 1080 , 2008
Zhang Mingxin, Ruan Wenhui, Xingle Feng, Zhou Yatong, Junyi Shen and Zhu Yaling
Information Technology Journal 7 ( 7 ): 1067 - 1071 , 2008