?url_ver=Z39.88-2004&rft_id=MTMT%3A2971254&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Istv%C3%A1n&rft.aulast=L%C3%A1ng&rft.au=+L%C3%A1ng+Istv%C3%A1n&rft.isbn=9789632265452&rft.date=2015&rft.btitle=Az+eml%C5%91r%C3%A1k+korszer%C5%B1+seb%C3%A9szete&rft.title=Az+eml%C5%91r%C3%A1k+sziszt%C3%A9m%C3%A1s+kezel%C3%A9se&rft.tpages=12&rft.genre=bookitem