Impact Factor
3.49
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.
Print issues ceased with (2005)
Also issued online.
v. 6, no. 1 (Spr. 1990)20020111 Notice published Printed on acid-free paper