Impact Factor
2.77
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.
Print issues ceased in 2003; print issues resumed with v. 47, no. 1 (2011)-
Also issued online.
19950524 Not printed on acid-free paper