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.
Hubert Holin. Harthong-Reeb analysis and digital circles. The Visual Computer, 8(1):8-17, 1991.
Abstract is missing.