Compendex has over 27.5 million records from 85 countries across 190 engineering disciplines. There is also a comprehensive, historical view of engineering innovations between 1884-1969 in the Engineering Index Backfile.
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A scientific research index that contains the full text of more than 1,000 Elsevier Science journals in the life, physical, medical, technical, and social sciences, as well as indexing for journals from cooperating publishers Updated daily Coverage varies by journal. May be searched by journal title and issue in which case the complete table of contents is displayed or by keyword, regardless of the journal title and issue.
Scopus is the largest abstract and citation database of peer-reviewed literature: scientific journals, books and conference proceedings. Delivering a comprehensive overview of the world's research output in the fields of science, technology, medicine, social sciences, and arts and humanities, Scopus features smart tools to track, analyze and visualize research.
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The Association for Computing Machinery’s (ACM) Digital Library houses a full-text database for all work published in relation to them. This includes the 50 peer-reviewed journals that contain new and archived entries.
Most extensive resource available on optics and photonics Access to nearly 200,000 technical papers from SPIE Journals and Conference Proceedings SPIE is currently expanding its Digital Library to include Proceedings and Journals published from 1990-1997 Extension of the archive back to 1990 is 95% complete, and more than 15,000 new technical papers are added annually.
Ulrichsweb gives detailed information on more than 300,000 periodicals (also called serials) of all types: academic and scholarly journals, e-journals, peer-reviewed titles, popular magazines, newspapers, newsletters, and more.