Meetings & Meeting Reports Forthcoming Events Science 02 Dec 1960:Vol. 132, Issue 3440, pp. 1706-1709DOI: 10.1126/science.132.3440.1706 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 132, Issue 344002 December 1960 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)