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02a0017172;20011205d1993 ekmy0engy01;eng;a z 000yy;r;Regression modeling of ground-water flow supplement 1--modifications to the computer code for nonlinear regression solution of steady-state ground-water flow problems;Richard L. Cooley;Denver;U.S. Government Printing Office;1993;vii, 8 p.;ill;Techniques of Water-Resources Investigations of the U.S. Geological Survey; Book 3, Chapter B4, Supplement 1;2252;aTechniques of Water-Resources Investigations of the U.S. Geological Survey; Book 3, Chapter B4, Supplement 1;地下水流的回归模型, 补充1, 对解决稳态地下水流问题的非线性回归的计算机程序的修改;a494.4;Cooley;Richard L.;101;454467;494.4;C77;vS1 ; r1602.01;a07;b1