Article Sciences - 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..
CiteSeer - Scientific literature digital library and search engine..
ISI Highly Cited - A search tool to identify individuals, departments and laboratories that have made fundamental contributions to the advancement of science and technology in recent decades..
MyNetResearch.com - Allows researchers worldwide to collaborate, manage projects, stay informed about the latest research developments in their subject specializations, and use specialist tools to help them with research..
Science Dictionary - A science search engine, which pulls data from scientific web sites..
Science-advisor.net - Scientific search engine and online forum. Researchers and students can search the scientific literature and can freely and anonymously discuss and review research articles..
Scirus - Search engine that fetches only scientific websites..
WorldWideScience - A search which uses multilateral partnerships to search national and international databases..
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