?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Matk%C3%B3+Istv%C3%A1n&rft.aulast=Matk%C3%B3&rft.aufirst=Istv%C3%A1n&rft.date=1973.+j%C3%BAnius+20.&rft.atitle=Gumigy%C3%A1ri+tapasztalatok+%3A+Kiv%C3%A9teles+lehet%C5%91s%C3%A9g...&rft.volume=63&rft.title=D%C3%A9lmagyarorsz%C3%A1g&rft.issue=142&rft.pages=3&rft.genre=article