Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OHNISHI Yuzo and IJIRI Yuji,FUNDAMENTAL STUDY ON NUMERICAL METHOD FOR INVERSE PROBLEMS OF GROUNDWATER FLOW IN NONHOMOGENEOUS GROUND,Doboku Gakkai Ronbunshu,02897806,Japan Society of Civil Engineers,1986-12-20,1986,376,121-130,https://cir.nii.ac.jp/crid/1390282680577908352,https://doi.org/10.2208/jscej.1986.376_121