Databases searched:
INSPEC
(computing, electronics, and physics)
NTIS
(technical reports and other U.S. government-sponsored research)
Web of Science
(multidisciplinary science coverage)
ScienceDirect
(physical and biological sciences)
Compendex
(engineering and related fields)
Conference Papers
(scientific meeting papers and poster sessions)
Academic Search Premier
(multidisciplinary coverage including many Full-text resources)