1. Use Studies: A Selective Review;Butkovich;Librarian Resources & Technical Services,1996
2. Citation Analysis as a Tool in Journal Evaluation;Garfield;Science,1972
3. Numbers are from the JCR website http://admin-apps.isiknowledge.com/JCR/help/h_info.htm#information (November 25, 2008).
4. Rank-normalized Impact Factor: A Way to Compare Journal Performance across Subject Categories;Pudovkin;Proceedings of the 67th ASIS&T Annual Meeting,2004
5. Problems of Citation Analysis: A Critical Review;MacRoberts;Journal of the American Society for Information Science,1989