Impact Factor
3.78
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. 14, no. 2/3 (2009)
Also issued online.
Vol. 1, no. 1 (Dec. 1996)19991221 Notice not published Printed on acid-free paper