@article{PORMA_1967__26_2_115020,
     author = {Norman, Lester J.},
     title = {A sufficient condition for quasi-metrizability of a topological space},
     journal = {Portugaliae mathematica},
     pages = {207--211},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1967},
     mrnumber = {0248740},
     zbl = {0184.47903},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1967__26_2_115020/}
}