- Authors Katalin Keveházi Ádám Hegyi Abstract - Keywords: - PDF (Magyar) Published Online 2007-12-10 How to Cite Keveházi, K., Hegyi, Ádám “-”, Scientific and Technical Information, 54(11-12), p. 561, 2007. More Citation Formats TMT Issue Vol. 54 No. 11-12 (2007) Section Reports