@article{IM_1966__1_141824,
     author = {N.H. KUIPER and R.K. LASHOF},
     title = {Microbundles and {Bundles.} {I.} {Elementary} {Theory.}},
     journal = {Inventiones mathematicae},
     pages = {1--17},
     publisher = {mathdoc},
     volume = {1},
     year = {1966},
     zbl = {0142.21901},
     url = {http://geodesic.mathdoc.fr/item/IM_1966__1_141824/}
}