Scopus is the most comprehensive multi-disciplinary database of peer-reviewed literature. Also good for citation analysis.
from is the most comprehensive database for electrical and computer engineering, indexing articles from many publishers including IEEE and ACM.
Enter a topic to search our catalog for physical books
EngineeringPro from Books24x7 contains thousands of electronic books from top publishers. Defaults to searching both EngineeringPro and ITPro, but you can use the drop down menu to limit to either collection.
Synthesis Digital Library is a collection of 50- to 100-page electronic books that synthesize important research or development topics, authored by a prominent contributors to the field. The publisher attempts to offer unique value to the reader by providing more synthesis, analysis, and depth than typical research journal articles. They are also more modular and dynamic than traditional print or digital handbooks.
Engineering and IT Pro from Books24x7 contains thousands of electronic books from top publishers.
Google Patents contains patents from the 3 major patent sources (USPTO, EPO, WIPO) in a more user-friendly interface. Foreign language patents have buttons for the original language and English (using Google Translate). One button translates the entire patent.
For US Patents: US Patent and Trademark Office
For European Patents: European Patent Office Foreign language patents have buttons that translate using Google Translate. Translations must be done for each section.
SPIE Digital Library Villanova has a free trial until mid-November.
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Journal Citation Reports is the source for journal impact factors.