Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Rodger Kibble. A Reformulation of Rule 2 of Centering Theor. Computational Linguistics, 27(4):579-587, 2001.