Identify the most influential journals and papers in your field by searching Web of Knowledge’s Journal Citation Reports, still the only journal evaluation resource that provides quantifiable, statistical information based on citation data. The data for 2008 has now been released bringing the reports fully up to date.

New features added to the latest release of JCR data allow you to:

- View a journal’s impact with a five year Impact Factor trend graph.

- See how journal self citations affect Impact Factor.

- Rank journals in multiple categories.

Find out more on the Journal Citation Reports site.