News & Comment NEWS IN BRIEF See allHide authors and affiliations Science 05 Jun 1970:Vol. 168, Issue 3936, pp. 1186DOI: 10.1126/science.168.3936.1186 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.
Science Vol 168, Issue 393605 June 1970 Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)