Impact Factor
3.19
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.
Print issues ceased with 2020.
Also available online.
Vol. 12, no. 1 (1980)19920901 Notice published Printed on acid-free paper