Most researchers use EZ-Proxy. Some databases require the use of the VPN. VPN may also work in cases when EZ-Proxy does not.
Google Scholar limits your results to academic resources.
tip: To get the link when using Google Scholar off campus, go to Scholar Settings and choose Duke from Library Links.
You can also set your preferred bibliography manager (BibTeX, Endnote, Refworks) in Scholar Settings for one-click citation export. Here's how.