%0 Journal Article %A Peter Dembowski %A Fred Piper %T Quasiregular Collineation Groups of finite Projective Planes. %J Mathematische Zeitschrift %D 1967 %P 53-75 %V 99 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1967__99_170765/ %F MZ_1967__99_170765