@article{MZ_1991__208_3_174311,
     author = {Roger Ware and Bill Jacob},
     title = {Realizing dyadic factors of elementary type {Witt} rings and pro-2 {Galois} groups.},
     journal = {Mathematische Zeitschrift},
     pages = {193--208},
     year = {1991},
     volume = {208},
     number = {3},
     zbl = {0755.11014},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__208_3_174311/}
}