@article{10_4153_CMB_1971_099_x,
     author = {D\'eruaz, Marcel and O'Keefe, Mary},
     title = {A {Note} about the {Definition} of {CW-Complexes}},
     journal = {Canadian mathematical bulletin},
     pages = {559--559},
     year = {1971},
     volume = {14},
     number = {4},
     doi = {10.4153/CMB-1971-099-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-099-x/}
}