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.
Atsushi Imiya, Ulrich Eckhardt. The Euler Characteristics of Discrete Objects and Discrete Quasi-Objects. Computer Vision and Image Understanding, 75(3):307-318, 1999. [doi]