Guoyin Wang Qinghua Zhang Houkuan Huang Dongyi Ye Qinghua Hu Xuegang Hu Zhongzhi Shi Yongli Li Lin Shang Liping An Ying Sai Shanben Chen Jiye Liang Keyun Qin Huanglin Zeng Keming Xie Duoqian Miao Fan Min Zhaocong Wu Weizhi Wu Jianhua Dai Research on Rough Set Theory and Applications in China. 352-395 2008 8 T. Rough Sets http://dx.doi.org/10.1007/978-3-540-85064-9_16 journals/trs/2008-8 db/journals/trs/trs8.html#WangZHYHHSLSASCLQZXMMWWD08