@article{HHA_2007_9_1_a12,
     author = {Tomas Everaert and Marino Gran},
     title = {On low-dimensional homology in categories},
     journal = {Homology, homotopy, and applications},
     pages = {275--293},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2007},
     doi = {10.4310/HHA.2007.v9.n1.a12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4310/HHA.2007.v9.n1.a12/}
}