Impact Factor
3.18
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.
Vol. 1, no. 1 preceded by a pilot issue.
Vol. 1, no. 1 (Mar. 1986) has incorrect date of Apr. 1986 on cover.
Also issued online.