Scientific literature digital library and search engine.
Online Journals Search Engine
A multi-search tool that permits queries of a number of scientific journals.
A science search engine, which pulls data from scientific web sites.
Scientific search engine and online forum. Researchers and students can search the scientific literature and can freely and anonymously discuss and review research articles.
Search engine for quantitative science combining high impact journals and important databases.
Thomson Reuters: 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.
A search which uses multilateral partnerships to search national and international databases.