Association Affairs Canadian Association of Physicists (B4) See allHide authors and affiliations Science 19 Feb 1965:Vol. 147, Issue 3660, pp. 919-920DOI: 10.1126/science.147.3660.919-b R. E. BellFind this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.
Science Vol 147, Issue 366019 February 1965 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)
