| Date: July 6, 1998 |
All these data were extracted from the Journals Performance Indicators file of the Institute for Scientific ...
Date: July 6, 1998Cumulative Impact Factors In the February 2, 1998 issue of The Scientist (12[3]:11-12), we published the list of the 100 highest-impact journals for the period 1981-95. This study emphasized long-term cumulative impact rather than short-term or current impact. The main focus of these data were the articles published in 1981-82. We chose these two years so that 15 years of cumulative citations could be compiled. To many of our readers, these years must seem remote. But for some
| Date: July 6, 1998 |
All these data were extracted from the Journals Performance Indicators file of the Institute for Scientific ...

When experiments refuse to cooperate, you try again and again. For Rafael Najmanovich, the setbacks ultimately pushed him in a new direction.
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