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| 431 | -- | 441 | Ronald Rousseau. Median and percentile impact factors: A set of new indicators |
| 443 | -- | 462 | Judit Bar-Ilan, Ana Echermane. The anthrax scare and the Web: A content analysis of Web pages linking to resources on anthrax |
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| 549 | -- | 566 | Anthony F. J. van Raan. Reference-based publication networks with episodic memories |
| 567 | -- | 581 | Jonathan Adams. Early citation counts correlate with accumulated impact |
| 583 | -- | 597 | Swapan Kumar Patra, Prakash Chand. Biotechnology research profile of India |
| 599 | -- | 616 | Jacqueline Leta, Júlio Cesar Rodrigues Pereira, Hernan Chaimovich. The Life Sciences - the relative contribution of the University of São Paulo to the highest impact factor journals and to those with the largest number of articles, 1980 to 1999 |
| 617 | -- | 630 | Loet Leydesdorff, Ping Zhou. Are the contributions of China and Korea upsetting the world system of science? |
| 631 | -- | 631 | Tanzila Ahmed, Ben Johnson, Charles Oppenheim, Catherine Peck. Letter to the Editor |
| 633 | -- | 633 | Wolfgang Glänzel, Bart Thijs, Balázs Schlemmer. Correction |