News & CommentScientific Events

REGIONAL STATIONS OF THE U. S. DEPARTMENT OF AGRICULTURE

+ See all authors and affiliations

Science  07 Aug 1936:
Vol. 84, Issue 2171, pp. 129-130
DOI: 10.1126/science.84.2171.129-a

This is a PDF-only article. The first page of the PDF of this article appears below.

PDF extract preview