Letters Letters to the Editor By J. V. Whipp See allHide authors and affiliations Science 12 Apr 1974:Vol. 184, Issue 4133, pp. 116DOI: 10.1126/science.184.4133.116 J. V. WhippFind 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 184, Issue 413312 April 1974 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)
