@article{10_4153_CMB_1984_059_5,
     author = {Ishikawa, Fumie},
     title = {Metrization of {Ranked} {Spaces}},
     journal = {Canadian mathematical bulletin},
     pages = {385--389},
     year = {1984},
     volume = {27},
     number = {4},
     doi = {10.4153/CMB-1984-059-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-059-5/}
}