Scopus

Scopus is the largest abstract and citation database of peer-reviewed literature and quality web sources with smart tools to track, analyze and visualize research.

Updated daily, Scopus offers:

• 15,000 peer-reviewed journals from more than 4,000 international publishers
  - including 1200 open access journals

• 500 conference proceedings
• Over 600 trade publications
• 200 book series

• 33 million records, of which:
  - 16 million records include references going back to 1996 (75% include references)
  - 17 million pre-1996 records go back as far as 1841.

Scopus also offers full integration of the scientific web in its search results, with:

• 386 million scientific web pages
• 22 million patents from 5 patent offices (US Patent and Trademark Office, European Patent Office, Japan Patent Office, World Intellectual Property Organization and UK Intellectual Property Office)
• Over 80 selected sources e.g. institutional repositories, digital archives and special subject collections made individually searchable via Selected Sources tab.