THE INSTITUTE OF PHYSICS Citation data from Crossref and Scopus PDF How to Cite “THE INSTITUTE OF PHYSICS ” Periodica Polytechnica Mechanical Engineering, 21(3-4), pp. 157–159, 1977. More Citation Formats Periodica Polytechnica Numbered ACM ABNT Chicago Harvard IEEE Vancouver Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX Issue Vol. 21 No. 3-4 (1977) Section Articles
