News & CommentScientific Events

RESEARCH WORK OF THE LEANDER MCCORMICK OBSERVATORY

+ See all authors and affiliations

Science  04 May 1917:
Vol. 45, Issue 1166, pp. 425
DOI: 10.1126/science.45.1166.425

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

PDF extract preview