TY - JOUR AU - Geoffrey Exoo TI - Voltage graphs, group presentations and cages JO - The electronic journal of combinatorics PY - 2004 VL - 11 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/1843/ DO - 10.37236/1843 ID - 10_37236_1843 ER -