?url_ver=Z39.88-2004&rft_id=10.1029%2FWR018i001p00021&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Hashimoto%2C+T.&rft.aulast=Hashimoto&rft.aufirst=T.&rft.issue=1&rft.volume=18&rft.date=February+1982&rft.issn=00431397&rft.atitle=Robustness+of+water+resources+systems&rft.title=Water+Resources+Research&rft.pages=21-26&rft.genre=article