%0 Journal Article %A S. Zacharias %A D. Velichova %T Projection from 4D to 3D %J Journal for geometry and graphics %D 2000 %P 055-07 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JGG_2000_4_1_a3/ %F JGG_2000_4_1_a3