News & Comment NEWS IN BRIEF Science 17 May 1968:Vol. 160, Issue 3829, pp. 747DOI: 10.1126/science.160.3829.747 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 160, Issue 382917 May 1968 Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)