@article{CMH_1990__65_3_140212,
     author = {P.H. Kropholler},
     title = {Baumslag-Solitar groups and some other groups of cohomological dimension two.},
     journal = {Commentarii mathematici Helvetici},
     pages = {547--558},
     publisher = {mathdoc},
     volume = {65},
     number = {3},
     year = {1990},
     zbl = {0744.20044},
     url = {http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140212/}
}