Impact Factor
3.34
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.
Imprint varies.
Also issued online.
Text in English, French, or German, with summaries in English.
v. 35, no. 9 (Sep. 1989)20030701 Notice published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper