TY - JOUR AU - S. Stamatakis AU - I. Kaffas TI - Ruled Surfaces Asymptotically Normalized JO - Journal for geometry and graphics PY - 2013 SP - 177 EP - 191 VL - 17 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JGG_2013_17_2_JGG_2013_17_2_a4/ ID - JGG_2013_17_2_JGG_2013_17_2_a4 ER -