LettersDiscussion FOREIGN JOURNALS IN THE USSR See allHide authors and affiliations Science 06 Dec 1935:Vol. 82, Issue 2136, pp. 550DOI: 10.1126/science.82.2136.550 A. V. HillFind 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 82, Issue 213606 December 1935 Table of Contents Print Table of Contents Back Matter (PDF)