INTRODUCTORY SPEECH Authors István Zobory PDF How to Cite Zobory, I. (1993) “INTRODUCTORY SPEECH”, Periodica Polytechnica Transportation Engineering, 21(1), pp. 3–5. More Citation Formats Periodica Polytechnica ACM ABNT Chicago Harvard IEEE Vancouver Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX Issue Vol. 21 No. 1 (1993) Section Articles