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.
Helmut Pottmann. Rational curves and surfaces with rational offsets. Computer Aided Geometric Design, 12(2):175-192, 1995. [doi]
Abstract is missing.