Impact Factor
4.80
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.
v. 29, no.1 (Jan. 1998)20000623 Notice published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper