GREY RELATIONAL ANALYSIS OF ORDER ARRANGEMENT AND GROUPING BY MULTIPLE METHODS
LIU Xian-tao CHEN Guang-sheng GAO Jun LI Yu-zhi
西南石油大学学报(自然科学版) . 2004, (5): 83 -84 .  DOI: 10.3863/j.issn.1000-2634.2004.05.024