Impact Factor
3.96
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.
Supplements accompany some vols.
Also issued online.
v. 64, no. 1 (1986)-Will not microfilm 20040413
Vol. 72, no. 4 (1994)19950518 Notice not published Printed on acid-free paper