@article{2612,
author = {Sabella, Ralph},
title = {Metrizability of spaces with countably based closed sets},
journal = {Portugaliae mathematica},
volume = {29},
year = {1970},
pages = {1-3},
zbl = {0224.54041},
mrnumber = {0284976},
language = {en},
url = {http://dml.mathdoc.fr/item/2612}
}
Sabella, Ralph. Metrizability of spaces with countably based closed sets. Portugaliae mathematica, Tome 29 (1970) pp. 1-3. http://gdmltest.u-ga.fr/item/2612/