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吕瑞峰,王 刚,问晓先,周宇鹏
Application of rough set theory to reference model classification and retrieval
LV Rui-feng,WANG Gang,WEN Xiao-xian,ZHOU Yu-peng
计算机工程与应用 . 2009, (20): 220 -223 .  DOI: 10.3778/j.issn.1002-8331.2009.20.064