?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.date=1973.+March+28.&rft.issue=73&rft.volume=63&rft.title=D%C3%A9lmagyarorsz%C3%A1g&rft.atitle=%C3%9Aj+cs%C5%91vezet%C3%A9kek+az+olajmez%C5%91n&rft.pages=1&rft.genre=article