Impact Factor
2.68
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.
Editor: 1942-1946, A. G. De Sanctis.
Includes bibliographies.
Also issued online.
Vol. 29 (1982)19900914 Notice not published Printed on acid-free paper