Yihong Cao, Yuwan Gu, Huanhuan Cai and Yuqiang Sun
Information Technology Journal 12 ( 22 ): 6641 - 6645 , 2013
Yuwan Gu, Guodong Shi, Huanhuan Cai, Yan Chen and Yuqiang Sun
Information Technology Journal 12 ( 23 ): 7345 - 7352 , 2013