Bert Jüttler,
"Construction of Surfaces by Shape Preserving Approximation of Contour Data"
, in J. Hoschek and P. Kaklis: Advanced Course on FAIR\-SHAPE, Teubner, Stuttgart, Seite(n) 217 - 228, 1996
Original Titel:
Construction of Surfaces by Shape Preserving Approximation of Contour Data