@article{MZ_1967__99_170765,
     author = {Peter Dembowski and Fred Piper},
     title = {Quasiregular {Collineation} {Groups} of finite {Projective} {Planes.}},
     journal = {Mathematische Zeitschrift},
     pages = {53--75},
     publisher = {mathdoc},
     volume = {99},
     year = {1967},
     zbl = {0145.41003},
     url = {http://geodesic.mathdoc.fr/item/MZ_1967__99_170765/}
}