Impact Factor
4.36
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
Recent article records with DOI-first linking and condensed abstracts.
Editors: William J. Darby, Harry P. Broquist and Robert E. Olson.
Also issued online.
Vol. 1 (JULY 1981)19890816 Notice published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper