6CHEN Y K, TAN X R. Grey Relational Analysis on Serum Markers of Liver Fibrosis [ J ]. The Journal of Grey System,1995,7( 1 ) :63-68.
7邓聚龙.灰预测与灰决策[M].武汉:华中科技大学出版社,2000..
8Jerome H Friedman,John W Tukey.A projection pursuit algorithm for exploratory data analysis[J].1974.
9M.M.Eusuff,K.E.Lansey.Optimization of water distribution network design using the Shuffled Frog Leaping Algorithm [J].Journal of Water Resources Planning and Management-Asce ,2003,129 (3) : 210-225.
