?url_ver=Z39.88-2004&rft_id=10.1016%2FS0273-1223(96)00859-1&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Varis%2C+O.&rft.aulast=Varis&rft.aufirst=O.&rft.issue=12&rft.volume=34&rft.date=1996&rft.issn=1996-9732&rft.atitle=Water+quality+models%3A+Typologies+for+environmental+impact+assessment&rft.title=Water+Science+%26+Technology&rft.pages=109-117&rft.genre=article