(4) Citebase: A scientometric and
webmetric search engine that can calculate
traditional and new measures of research
impact, and Paracite, a tool for finding and
linking citations on the web
          http://citebase.eprints.org/help/
http://opcit.eprints.org/evaluation/Citebase
-evaluation/evaluation-report.html
           http://paracite.eprints.org/