@article{MZ_1975__144_172237,
     author = {Gernot Stroth},
     title = {On {2-Groups} with no {Abelian} {Subgroups} of {Rank} {Four.}},
     journal = {Mathematische Zeitschrift},
     pages = {13--18},
     publisher = {mathdoc},
     volume = {144},
     year = {1975},
     zbl = {0295.20023},
     url = {http://geodesic.mathdoc.fr/item/MZ_1975__144_172237/}
}