TY - JOUR AU - J. Lang AU - S. Mick AU - O. R�schel TI - The Rigidity Rate of Positions of Stewart-Gough Platforms JO - Journal for geometry and graphics PY - 2001 SP - 121 EP - 132 VL - 5 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JGG_2001_5_2_a1/ ID - JGG_2001_5_2_a1 ER -