Impact Factor
3.16
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 v. 17 (2008)
Also issued online.
Vol. 1 no. 1 (1994)19990217 Notice not published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper