TY  - JOUR
AU  - M. K. Saad
AU  - G. Weiss 
TI  - Curvature Lines and Normal Congruences of Triangular B�zier Patches
JO  - Journal for geometry and graphics
PY  - 2012
SP  - 29
EP  - 4
VL  - 16
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2012_16_1_JGG_2012_16_1_a3/
ID  - JGG_2012_16_1_JGG_2012_16_1_a3
ER  -