Impact Factor
3.32
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.
v. 50, no. 1 (Mar. 2012)20120815 Notice published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper