A comprehensive database covering the world's mathematical literature since 1940.Proquest Computing Journals
Search top computing journals in full text for research on subjects such as database design, software development, web commerce, LANs, WANs, intranets, and the internet.Science Direct
Covers resources in chemistry, materials science, engineering and technology, environmental science, pharmacology and toxicology, physics, math and computer science, earth sciences, biochemistry, microbiology and immunology, biological sciences, and clinical medicine. Coverage: 1995 - forward.Scopus
Scopus is the largest abstract and citation database of research literature and quality web sources. It´s designed to find the information scientists need. Updated daily, Scopus offers: 15,000 peer-reviewed journals from more than 4,000 publishers, over 1000 Open Access journals, 500 conference proceedings, 33 million abstracts and seamless links to full-text articles and other library resources.