Impact Factor
3.40
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.
Monthly.
Title from cover.
Also issued online.
Vol. 44, no. 1/2 (JAN/FEB 1993)19930330 Notice published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper