"Persistent Links" connect users directly to a library database or article by clicking a link embedded in a webpage. Persistent Links can be useful when creating syllabi, online bibliographies and other research and information tools.
Zotero [zoh-TAIR-oh] is a free, easy-to-use Firefox extension to help you collect, manage, cite, and share your research sources. It lives right where you do your workâin the web browser itself. [from the Zotero homepage]