@article{MM2_1997__92_3_156253,
     author = {John R. Klein},
     title = {On two results about fibrations.},
     journal = {Manuscripta mathematica},
     pages = {77--86},
     publisher = {mathdoc},
     volume = {92},
     number = {3},
     year = {1997},
     zbl = {0880.55012},
     url = {http://geodesic.mathdoc.fr/item/MM2_1997__92_3_156253/}
}