@article{10_1017_S0017089500007266,
     author = {Slattery, Michael C.},
     title = {Character degrees and derived length in p-groups},
     journal = {Glasgow mathematical journal},
     pages = {221--230},
     year = {1988},
     volume = {30},
     number = {2},
     doi = {10.1017/S0017089500007266},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007266/}
}