DIRECTORY OF

Continuing Numerical Data Projects

A Survey and Analysis

by the Office of Critical Tables
1961

Publication 837

NATIONAL ACADEMY OF SCIENCES-NATIONAL RESEARCH COUNCIL

Washington, D. C.

1961

Library of Congress
Catalog Card No.: 61-60011

For sale by the Printing and Publishing Office NATIONAL ACADEMY OF SCIENCES-NATIONAL RESEARCH COUNCIL

Washington 25, D. C.

Price $1.00