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0200039527 20031110110049.0 s1974 at a fr |00||||eng | NGL a492 Huyakorn, P. S. 用有限单元程序分析流向井里的地下水. chi Finite element programs for analysing flow towards wells / P.S. Huyakorn and C.R. Dudgeon. Manly Vale : University of New South Wales, Water Research Laboratory, 1974. 316 p. : ill. University of New South Wales, Water Research Laboratory reprot ; no.135 aDudgeon, C. R. NGL 294488 492 H98 afqy b1 efqy0311