Search engines

Search engines

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Search engines
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  • RF Seek

    A search engine for academic resources. More than a billion sources.
  • World cat

    search the content of 20,000 global libraries.
  • Springer

    Access to more than 10 million scientific documents: books, articles,
  • Bioline

    A library of published bioscientific journals
  • Volunteers

    Volunteers from 102 countries collected nearly 4 million publications
  • US government for scientific sites

    A U.S. government search engine for more than 2200 scientific sites.
  • PDF books

    The largest website for free download of PDF books. Claim more than 225 million titles.
  • Academic research

    One of the most powerful search engines for academic research texts. More than 100 million scientific articles, 70% of which are free
  • RF Seek

  • World cat

  • Springer

  • Bioline

  • Volunteers

  • US government for scientific sites

  • PDF books

  • Academic research