Impact Factor
2.42
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 (1987) complete in 10 issues.
Supplements accompany some vols.
Also issued online.
19950523 Not printed on acid-free paper