Impact Factor
3.00
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.
Place of publication varies.
Print issues ceased with v. 25, no. 14 (2013).
Vol. 1 preceded by an issue called Premier issue, dated Oct. 1988.
Frequency of the online version varies from the print version.
Also issued online.
v.4, no. 1 (1992)19990521 Notice published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper