@article{IM_1973__20_142208,
     author = {Beno Eckmann and Robert Bieri},
     title = {Groups with {Homological} {Duality} {Generalizing} {Poincar\'e} {Duality.}},
     journal = {Inventiones mathematicae},
     pages = {103--124},
     publisher = {mathdoc},
     volume = {20},
     year = {1973},
     zbl = {0274.20066},
     url = {http://geodesic.mathdoc.fr/item/IM_1973__20_142208/}
}