?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Engel+Tevan+Istv%C3%A1n&rft.aufirst=Istv%C3%A1n&rft.aulast=Engel+Tevan&rft.issue=7&rft.title=Tiszat%C3%A1j&rft.pages=48&rft.volume=31&rft.date=1977&rft.atitle=%5BGrafika%5D&rft.issn=0133-1167&rft.genre=article