TY - JOUR AU - Leah Wrenn Berman TI - Movable \((n_4)\) configurations JO - The electronic journal of combinatorics PY - 2006 VL - 13 UR - http://geodesic.mathdoc.fr/articles/10.37236/1130/ DO - 10.37236/1130 ID - 10_37236_1130 ER -