Begin your research by exploring these core engineering databases.
Compendex (Engineering Village): Covers significant engineering and technical literature from journals (over 3,600), technical reports, engineering society publications, books, and conference proceedings and papers (over 15.8 million records, with more than 650,000 added annually). (additional details)
IEEE Xplore: Provides full-text access to IEEE transactions, journals, magazines and conference proceedings published since 1988 and all current IEEE standards. Also called IEEE/IEE Electronic Library. (Institute of Electrical and Electronics Engineers)