Letters Metric System: Easy Conversions See allHide authors and affiliations Science 05 Nov 1965:Vol. 150, Issue 3697, pp. 686DOI: 10.1126/science.150.3697.686 R. G. PetersenFind 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 150, Issue 369705 November 1965 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)
