Impact Factor
2.62
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.
Quarterly.
Vol. 11, no. 3 (Aug. 2001) consists entirely of reprints of articles from other journals.
Also issued online.
Vol. 5, no. 1 (FEB 1995)19950518 Notice not published Printed on acid-free paper