?url_ver=Z39.88-2004&rft_id=MTMT%3A34545159&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=+Gell%C3%A9n+Kl%C3%A1ra&rft.aulast=Gell%C3%A9n&rft.aufirst=Kl%C3%A1ra&rft.date=2023&rft.btitle=Gazdas%C3%A1gi+tendenci%C3%A1k+%C3%A9s+jogi+kih%C3%ADv%C3%A1sok+a+21.+sz%C3%A1zadban%2C+4.&rft.isbn=9786156268426&rft.tpages=2&rft.title=El%C5%91sz%C3%B3&rft.genre=bookitem