Impact Factor
0.25
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.
Description based on: 1985, 1; title from cover.
Also issued online.
In Chinese with abstracts and table of contents also in English.
v. 25, no. 1 (JAN 2003)20050228 Notice not published Printed on acid-free paper