Cockerill M. 2006. Identifying the most important research – Is there more to life than Impact Factor? The Write Stuff 15 (3):82-84

Impact factor has become one of the most debated themes on research evaluation. In this article published in the official journal of the European Medical Writers Association (, Cockerill exoplores the developments in citation tracking services since the pioneering work of Eugene Garfield who created what is now a de facto standard (impact factor). Among them: Google scholar, Scopus, CrossRef, CiteSeer and CiteBAse. Alternatives to IF (article-level citation information, downloads, etc.) are pointed out and critivally discussed.