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.
Place of publication varies.
Print issues ceased with v. 80 (2014).
Also issued online.
Vol. 11 (1980)19920901 Notice not published Printed on acid-free paper