Impact Factor
4.60
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.
Title from cover.
Print issues ceased with 2017.
Also issued online.
Vol. 1 (1988)19890816 Notice published Printed on acid-free paper