TY - JOUR AU - Sabella, Ralph TI - Metrizability of spaces with countably based closed sets JO - Portugaliae mathematica PY - 1970 SP - 1 EP - 3 VL - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1970__29_1_115102/ LA - en ID - PORMA_1970__29_1_115102 ER -