Impact Factor
2.92
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.
December issue of each year contains 3-year cumulative subject index.
Also issued online.
Microfilm. v. 6 (1968)-v. 7 (1969) . 1 microfilm reel : negative ; 35 mm.
Indexes: Subject index, 1965-1967, in v. 5, no. 3 (Dec. 1967).
Vol. 33, no. 2 (MAR 1995)19950522 Notice not published Printed on acid-free paper