If you are short on time, there are your best bets:
IEEE XploreProvides full-text access to IEEE transactions, IEEE and IEE journals, magazines, and conference proceedings published since 1988, all current IEEE standards, and all IEEE-Wiley eBooks titles copyrighted in the year(s) 1974-2015.
ACM Digital LibraryFull text of all articles from 1991 to date published in 21 ACM journals and transactions, as well as tables of contents of conference proceedings, are available at this site. A search engine allows the user to find relevant information from all sources.
Each dissertation published since July 1980 includes a 350-word abstract written by the author. Master's theses published since 1988 include 150-word abstracts. The Database offers researchers unlimited access to digital copies from their own institutions as well as affordable copies from others.
Proquest eBook CentralProvides authoritative ebooks in a range of subjects from the world's top publishers. Use E-book Central to quickly and easily find relevant eBooks and chapters; read online; search within the eBook; and highlight, take notes and bookmark pages in your online copy, stored on your bookshelf for you. You can also share your research with others, download eBooks and chapters to your laptop or mobile device, and more.