FOREWORD Authors Kálmán Tarnay PDF How to Cite Tarnay, K. “FOREWORD ”, Periodica Polytechnica Electrical Engineering, 34(1), p. 1, 1990. More Citation Formats Periodica Polytechnica Numbered ACM ABNT Chicago Harvard IEEE Vancouver Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX Issue Vol. 34 No. 1 (1990) Section Articles