?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Csink&rft.aufirst=L%C3%A1szl%C3%B3&rft.au=+Csink+L%C3%A1szl%C3%B3&rft.volume=18&rft.issn=0324-721X&rft.pages=169&rft.title=Acta+cybernetica&rft.atitle=Preface&rft.date=2007&rft.issue=2&rft.genre=article