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http://www.scirus.com/srsapp/ - http://www.scirus.com/srsapp/
Search engine that fetches only scientific websites. |
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WorldWideScience - http://worldwidescience.org
A search which uses multilateral partnerships to search national and international databases. |
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ISI Highly Cited - http://isihighlycited.com/
A search tool to identify individuals, departments and laboratories that have made fundamental contributions to the advancement of science and technology in recent decades. |
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Article Sciences - http://articlesciences.inist.fr/
Scientific article search and order engine, a service provided by Institut de l'Information Scientifique et Technique (INIST) of Centre National de la Recherche Scientifique (CNRS), France. |
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CiteSeer - http://ksuseer1.ist.psu.edu/
Scientific literature digital library and search engine. |