?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Szederk%C3%A9nyi+Ervin&rft.aufirst=Ervin&rft.aulast=Szederk%C3%A9nyi&rft.volume=22&rft.pages=674-675&rft.issn=0133-1167&rft.issue=7&rft.title=Tiszat%C3%A1j&rft.date=1968&rft.atitle=Arat%C3%B3+K%C3%A1roly+%3A+Madarak+az+es%C5%91ben&rft.genre=article