Impact Factor
3.16
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. 24, no. 1-2 (APR-MAY 1989)19900917 Notice published Printed on acid-free paper