Impact Factor
3.26
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.
Cumulative indexes published separately.
Supplements accompany some numbers.
Also issued online; also available on microfiche.
Includes some text in French.
v. 133, no. 5 (Sept. 1, 1985)-Will not microfilm; 20040413