Impact Factor
3.25
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.
Also issued online.
Indexes: Vols. 3-5, 1982-1984 in v.5, no. 4.
Vol. 15, no. 4 (1994)19950517 Notice not published Printed on acid-free paper