?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Hamar+J%C3%B3zsef&rft.aufirst=J%C3%B3zsef&rft.aulast=Hamar&rft.title=Tiscia&rft.issn=0563-587X&rft.issue=11&rft.pages=67-75&rft.atitle=Data+to+the+hydrobiology+of+the+middle+and+lower+Tisza+river+region&rft.date=1976&rft.genre=article