[Web4lib] Web-based citation indexing services

[Louis Rosenfeld]

Hi all; I'm looking for examples of free, web-based citation indexing
services.  I'm aware of CiteSeer and CiteBase; any others come to mind?
Thanks for your help; I'll be glad to summarize and share results with the
list.

cheers



-- 
Louis Rosenfeld :: http://louisrosenfeld.com
Rosenfeld Media :: http://rosenfeldmedia.com

My forthcoming book on search analytics:
http://www.rosenfeldmedia.com/books/searchanalytics/