INSPEC [EBSCO] 1969+Produced by the Institution of Engineering and Technology, covers scientific and technical information in five main subject areas: physics; electrical engineering and electronics; computers and control; information technology for business; and mechanical and production engineering.
Web of Science 1898+(Formerly Web of Knowledge) Indexes and abstracts science & technology journals (1899+), social science journals (1898+), and arts & humanities journals (1975+) published around the world; offers cited reference searching.
ScopusLargest abstract & citation database of peer-reviewed literature in all disciplines. Covers articles, books, conference proceedings & patents. Incorporates smart tools to track, analyze & visualize research.
General Science Abstracts [EBSCO] 1984+Provides indexing & abstracts of articles from almost 300 U.S. and British journals and magazines on astronomy, biology, botany, chemistry, conservation, health & medicine, oceanography, physics, zoology and more.