?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+B%C3%A1tyai+Jen%C5%91&rft.aufirst=Jen%C5%91&rft.aulast=B%C3%A1tyai&rft.issue=192&rft.volume=71&rft.title=D%C3%A9lmagyarorsz%C3%A1g&rft.atitle=Egy+mineral%C3%B3gus+k%C3%B6sz%C3%B6nt%C3%A9se&rft.pages=4&rft.date=1981.+augusztus+16.&rft.genre=article