Letters Flickering Schoolchildren See allHide authors and affiliations Science 09 Sep 1977:Vol. 197, Issue 4308, pp. 1036DOI: 10.1126/science.197.4308.1036-b EGIL ALNAESFind 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 197, Issue 430809 September 1977 Table of Contents Print Table of Contents Ed Board (PDF) Front Matter (PDF)