@misc{RCM_2009_43_2_a5,
     title = {On some invariants preserved by isomorphisms of tables of marks},
     journal = {Revista colombiana de matematicas},
     pages = {165--174},
     publisher = {mathdoc},
     volume = {43},
     number = {2},
     year = {2009},
     url = {http://geodesic.mathdoc.fr/item/RCM_2009_43_2_a5/}
}