@article{JAC_2012__35_2_a6,
     author = {Hartley, Michael I. and Hubard, Isabel and Leemans, Dimitri},
     title = {Regular 4-polytopes from the livingstone graph of {Janko's} first group},
     journal = {Journal of Algebraic Combinatorics},
     pages = {193--214},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2012__35_2_a6/}
}