Book ReviewsScientific Books SCIENTIFIC BOOKS See allHide authors and affiliations Science 18 Oct 1940:Vol. 92, Issue 2390, pp. 356-358DOI: 10.1126/science.92.2390.356-a Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.
Science Vol 92, Issue 239018 October 1940 Table of Contents Print Table of Contents Front Matter (PDF)
