Impact Factor
2.80
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 available online.
Papers in English, French, or German, with summaries in each of these languages.
Vol. 35, no. 1 (1980)19920831 Notice published Printed on acid-free paper