Letters Letter to the Editor See allHide authors and affiliations Science 27 Oct 1972:Vol. 178, Issue 4059, pp. 347-348DOI: 10.1126/science.178.4059.347-b Johnson C. Montgomery950 University Avenue, Palo Alto, California 94301Find 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 178, Issue 405927 October 1972 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)