TY - JOUR AU - T. Frey TI - On the significance of Czekanowski's index of similarity JO - Applicationes Mathematicae PY - 1966 SP - 1 EP - 7 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-9-1-1-7/ DO - 10.4064/am-9-1-1-7 LA - en ID - 10_4064_am_9_1_1_7 ER -