?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Somlyody%2C+L.&rft.aulast=Somlyody&rft.aufirst=L.&rft.issue=4&rft.volume=45&rft.date=1996&rft.issn=0042-9767&rft.atitle=Challenges+of+water+quality+management+in+Central+and+Eastern+Europe&rft.title=WMO+Bulletin&rft.pages=342-347&rft.genre=article