Wang Xinfeng, Wang Xinwei, Zhou Guangming and Zhou Chuwei
Journal of Engineering and Applied Sciences 2 ( 2 ): 354 - 361 , 2007
Zhao Qian, Wang Shanyuan, Zhou Chuwei, Zhou Guangming and Wang Xinwei
Journal of Engineering and Applied Sciences 2 ( 7 ): 1213 - 1218 , 2007