News & CommentScientific Events BRITISH COLONIAL PRODUCTS RESEARCH See allHide authors and affiliations Science 26 Feb 1943:Vol. 97, Issue 2513, pp. 196DOI: 10.1126/science.97.2513.196 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.
Science Vol 97, Issue 251326 February 1943 Table of Contents Print Table of Contents Back Matter (PDF) Front Matter (PDF)