TY - JOUR AU - Robertson, Neil TI - Pentagon-Generated Trivalent Graphs with Girth 5 JO - Canadian journal of mathematics PY - 1971 SP - 36 EP - 47 VL - 23 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-004-0/ DO - 10.4153/CJM-1971-004-0 ID - 10_4153_CJM_1971_004_0 ER -