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Useful links

Tool for searching academic documents on the Web

Semantic scholar

Semantic Scholar is a free, nonprofit, academic search engine from AI2.

Tool for searching open access research papers on the web


Core aggregate and enrich open access research papers from around the world and provide access to content and data through unique APIs.

CORE collects, processess, harmonises and enriches large quantities of metadata and full texts of research papers from many data providers.

This services is for researchers, universities, and industry.  Content in CORE is under an open access compatible license.


Library catalogs - Italy

Catalogs of National Libraries and Library Networks - Europe and United States

Journal sources

Sources in astrophysics

Sources in health and neurosciences sciences

Sources in mathematics

Sources in physics

Sources in medicine, biology, proteomics and genomics

Sources in chemistry

Sources for Master in Science Communications

Open Access to products and research to data : documents and sources