?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=G%C3%A1bor&rft.aulast=Barna&rft.au=+Barna+G%C3%A1bor&rft.issn=1419-1288&rft.title=El%C5%91sz%C3%B3&rft.date=2012&rft.isbn=978+963+306+164+0&rft.genre=bookitem