Impact Factor
3.07
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.
Includes the proceedings.
Vols. for <Feb. 1985- > issued as USA ed.
Some vols. include one or two special issues annually.
Also issued online.
Microfilm. v. 27 (1940). 1 microfilm reel : negative ; 35 mm.
19950524 Not printed on acid-free paper