@article{FORUM_1989__1_3_141615,
     author = {Donald M. Davis and Mark Mahowald},
     title = {The {SO(n)-of-origin.}},
     journal = {Forum mathematicum},
     pages = {239--250},
     publisher = {mathdoc},
     volume = {1},
     number = {3},
     year = {1989},
     zbl = {0695.55011},
     url = {http://geodesic.mathdoc.fr/item/FORUM_1989__1_3_141615/}
}