@article{TAC_2000_7_a13,
     author = {A. R. Garzon and J. G. Miranda and R. Osorio},
     title = {A simplicial description of the homotopy category of simplicial groupoids},
     journal = {Theory and applications of categories},
     pages = {263--283},
     publisher = {mathdoc},
     volume = {7},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2000_7_a13/}
}