%0 Journal Article %A J. Schadlbauer %A H.-P. Schr�cker %T Orthogonality Relations for Tetrahedra in Elliptic and Hyperbolic Space %J Journal for geometry and graphics %D 2014 %P 97-104 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JGG_2014_18_1_JGG_2014_18_1_a7/ %F JGG_2014_18_1_JGG_2014_18_1_a7