Impact Factor
1.49
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.
Place of publication varies.
Vol. 23, no. 2 (APR 1987)19900914 Notice not published Printed on acid-free paper