News & CommentScientific Events

THE AMERICAN SOCIETY FOR TESTING MATERIALS

See allHide authors and affiliations

Science  20 Jan 1933:
Vol. 77, Issue 1986, pp. 81-82
DOI: 10.1126/science.77.1986.81-a

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

PDF extract preview