In addition to doing a general online search or consulting online reference sources like Wikipedia, try these library resources to find background information about your topic:
Search University of Delaware Library and libraries worldwide, for books, articles, and more, including some technical reports and white papers. You may seearch by title, author, or keywords. UD items appear at or near the top of the results display. Materials not held by UD (labeled WorldCat Libraries) can be requested via the Interlibrary Loan link..