@article{MZ_1987__195_183675,
     author = {Jonathan A. Hillman},
     title = {Three-Dimensional {Poincar\'e} {Duality} {Groups} {Which} {Are} {Extensions.}},
     journal = {Mathematische Zeitschrift},
     pages = {89--92},
     publisher = {mathdoc},
     volume = {195},
     year = {1987},
     zbl = {0597.57009},
     url = {http://geodesic.mathdoc.fr/item/MZ_1987__195_183675/}
}