@article{MZ_1979__168_172875,
     author = {Robert W. Switzer},
     title = {Complex 2-plane {Bundles} over {Complex} {Projective} {Space.}},
     journal = {Mathematische Zeitschrift},
     pages = {275--288},
     publisher = {mathdoc},
     volume = {168},
     year = {1979},
     zbl = {0394.55019},
     url = {http://geodesic.mathdoc.fr/item/MZ_1979__168_172875/}
}