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.
Les A. Piegl, Wayne Tiller. Symbolic operators for NURBS. Computer-Aided Design, 29(5):361-368, 1997. [doi]
Abstract is missing.