Impact Factor
2.51
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.
Latest issue consulted: v. 56, no. 5+6 (2010).
Also available on CD-ROM.
Also issued online.
In German and English; summaries and table of contents in both languages, 1997-2000; in English, 2001-