Prof. JÁNOS KLÁR Citation data from Crossref and Scopus PDF How to Cite “Prof. JÁNOS KLÁR ” Periodica Polytechnica Mechanical Engineering, 17(1), pp. 3–5, 1973. More Citation Formats Periodica Polytechnica Numbered ACM ABNT Chicago Harvard IEEE Vancouver Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX Issue Vol. 17 No. 1 (1973) Section Articles