Impact Factor
3.68
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.
Also issued online.
Vol. 75, no. 1 (MAR 1998)19980622 Notice published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper