Base URL of the Link Resolver: http://rd8hp6du2b.search.serialssolutions.com/
(Note: The trailing slash "/" should be included when adding that in resources.)
If you want to add a custom image:
The openURL resolver accepts queries in versions 0.1 and 1.0.
EZproxy URL: http://ezproxy.cul.columbia.edu/login?url=
CLIO (Columbia's Voyager-based online public access catalog) is Z39.50 capable, and can be accessed using a Z30.50 client with the following connection settings:
Database Name: VOYAGER