%0 Journal Article %T Groups whose Projective character degrees are powers of a prime† %J Glasgow mathematical journal %D 1988 %P 177-180 %V 30 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007199/ %R 10.1017/S0017089500007199 %F 10_1017_S0017089500007199