@article{CMH_1974__49_139571,
     author = {Robert Bieri and Benno Eckmann},
     title = {Finiteness {Properties} of {Duality} {Groups}},
     journal = {Commentarii mathematici Helvetici},
     pages = {74--83},
     publisher = {mathdoc},
     volume = {49},
     year = {1974},
     zbl = {0279.20041},
     url = {http://geodesic.mathdoc.fr/item/CMH_1974__49_139571/}
}