Impact Factor
3.40
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.
Description based on: Vol. 2, no. 1 (Jan./Feb. 2001); title from cover.
Print issues ceased with v. 35 (2017).
Supplements accompany some vols.
Also available online to subscribers.
v. 1, no. 1 (Aug 2000)20021218 Notice published Printed on acid-free paper