@article{IM_1978__46_142553,
     author = {F.R. Cohen},
     title = {Braid {Orientations} and {Bundles} with {Flat} {Connections.}},
     journal = {Inventiones mathematicae},
     pages = {99--110},
     publisher = {mathdoc},
     volume = {46},
     year = {1978},
     zbl = {0377.55008},
     url = {http://geodesic.mathdoc.fr/item/IM_1978__46_142553/}
}