language: English
title: Curves and Surfaces in Cagd '89: Proceedings of a Conference Held at the Mathematicshes Forschungsinstitut Oberwolfach, F.R.G., 16-22 April 1989, or
titlecomplete: Curves and Surfaces in Cagd '89: Proceedings of a Conference Held at the Mathematicshes Forschungsinstitut Oberwolfach, F.R.G., 16-22 April 1989, or
publisher: Elsevier Science Ltd