Letters Academic freedom See allHide authors and affiliations Science 05 Aug 1983:Vol. 221, Issue 4610, pp. 506DOI: 10.1126/science.11644015 D DoverspikeFind 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 221, Issue 461005 August 1983 Table of Contents Print Table of Contents Ed Board (PDF) Front Matter (PDF)