H. Pottmann, P. Grohs, and B. Blaschitz.
Geometry Preprint, Nr. 190/2008

D. Aiger, N.J.Mitra, and D. Cohen-Or.
ACM Trans. Graphics, 27/3, Proc. SIGGRAPH (2008).

M. Pauly, N.J. Mitra, J. Wallner, H. Pottmann and L.J Guibas.
ACM Trans. Graphics, 27/3, Proc. SIGGRAPH (2008).

M. Kilian, S. Föry, Z. Chen, N. J. Mitra, A. Sheffer and H. Pottmann.
ACM Trans. Graphics, 27/3, Proc. SIGGRAPH (2008).

S. Flöry, and M. Hofer.
Computer-Aided Design 40, 1(2008).

H. Pottmann, J. Wallner, Q. Huang, and Y.-L. Yang.
Comput. Aided Geom. Design (2008), to appear.

J. Wallner and H. Pottmann
Monatshefte Math., 153/347-365 (2008).

M. Peternell, B. Odehnal, M. L. Sampoli
Comput. Aided Geom. Design 25, 342-355 (2008).

H. Pottmann, A. Asperl, M. Hofer and A. Kilian
Bentley Institute Press (2007), 724 pages, 2200 figures in color, ISBN 978-1-934493-04-5.

M. Peternell and B. Odehnal
Comput. Aided Geom. Design (2008).

H. Pottmann, P. Grohs and N.J. Mitra
Adv. Comp. Math, to appear.

G. Nawratil and H. Pottmann
Journal of Computational and Applied Mathematics, to appear.

H. Pottmann and J. Wallner
Adv. Comp. Math (2008), to appear.