Guangwei Wang, Xinggang Zhang, Cenggang Xiong and Yihua Lan
Journal of Applied Sciences 13 ( 13 ): 2589 - 2593 , 2013
Dongbing Zhang, Xinggang Zhang, Yihua Lan and Guangwei Wang
Journal of Applied Sciences 13 ( 14 ): 2730 - 2734 , 2013