- Authors Tibor Koltay Ferenc Jávorszky Abstract - Keywords: - PDF (Magyar) Published Online 2009-12-10 How to Cite Koltay, T., Jávorszky, F. “-”, Scientific and Technical Information, 56(11-12), pp. 565–568, 2009. More Citation Formats TMT Issue Vol. 56 No. 11-12 (2009) Section Reports