@article{MS2_1962__10_165793,
     author = {Edward Fadell and Lee Neuwirth},
     title = {Configuration {Spaces.}},
     journal = {Mathematica Scandinavica},
     pages = {111--118},
     year = {1962},
     volume = {10},
     zbl = {0136.44104},
     url = {http://geodesic.mathdoc.fr/item/MS2_1962__10_165793/}
}