@article{GT_2006_10_4_a6,
     author = {Cooper, Daryl and Walsh, Genevieve S},
     title = {Three-manifolds, virtual homology, and group determinants},
     journal = {Geometry & topology},
     pages = {2247--2269},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {2006},
     doi = {10.2140/gt.2006.10.2247},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2006.10.2247/}
}