@article{10_4153_CJM_1966_075_9,
     author = {Rolfsen, Dale},
     title = {Alternative {Metrization} {Proofs}},
     journal = {Canadian journal of mathematics},
     pages = {750--757},
     year = {1966},
     volume = {18},
     number = {1},
     doi = {10.4153/CJM-1966-075-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-075-9/}
}