Impact Factor
3.06
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.
Title from cover.
Also i ssued online.
Articles chiefly in English with some in French; French articles have summaries in both languages.
Vol. 1990, no. 18, 3 (JUL 1990)19901101 Notice published Printed on acid-free paper