News & Comment NEWS IN BRIEF Science 14 Apr 1967:Vol. 156, Issue 3772, pp. 227DOI: 10.1126/science.156.3772.227 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 156, Issue 377214 April 1967 Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)