Association AffairsAAAS Meeting

SECTION ON AGRICULTURE (O) AND ASSOCIATED SOCIETIES

See allHide authors and affiliations

Science  26 Jul 1935:
Vol. 82, Issue 2117, pp. 85-87
DOI: 10.1126/science.82.2117.85

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

PDF extract preview