Letters Letters to the Editor-2 By Ellis L. Yochelson See allHide authors and affiliations Science 26 Dec 1969:Vol. 166, Issue 3913, pp. 1576DOI: 10.1126/science.166.3913.1576-d Ellis L. YochelsonFind 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 above.
Science Vol 166, Issue 391326 December 1969 Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)
