Impact Factor
5.00
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.
Description based on: Vol. 26, no. 1 (Jan. 1991).
Also issued online.
19990521 Notice not published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper