Association AffairsAnnual Meeting Annual Meeting Washington See allHide authors and affiliations Science 29 May 1981:Vol. 212, Issue 4498, pp. 1018DOI: 10.1126/science.212.4498.1018 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.
Science Vol 212, Issue 449829 May 1981 Table of Contents Print Table of Contents Ed Board (PDF) Front Matter (PDF)