@article{10_4153_CMB_1999_006_8,
     author = {Edmonds, Allan L.},
     title = {Embedding {Coverings} in {Bundles}},
     journal = {Canadian mathematical bulletin},
     pages = {52--55},
     year = {1999},
     volume = {42},
     number = {1},
     doi = {10.4153/CMB-1999-006-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1999-006-8/}
}