@article{10_1017_S0017089515000269,
     author = {CRESTANI, ELEONORA and LUCCHINI, ANDREA},
     title = {LARGE {P-GROUPS} {WITHOUT} {PROPER} {SUBGROUPS} {WITH} {THE} {SAME} {DERIVED} {LENGTH}},
     journal = {Glasgow mathematical journal},
     pages = {445--459},
     year = {2016},
     volume = {58},
     number = {2},
     doi = {10.1017/S0017089515000269},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089515000269/}
}