Impact Factor
4.89
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.-Mar. 1983); title from cover.
Print issues ceased with v.26 (2007).
Also issued online.