?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Grezsa+Ferenc&rft.aufirst=Ferenc&rft.aulast=Grezsa&rft.issn=0133-1167&rft.atitle=Ill%C3%A9s+Endre+%3A+Szigorlat&rft.date=1969&rft.title=Tiszat%C3%A1j&rft.pages=667-668&rft.issue=7&rft.volume=23&rft.genre=article