@article{MM2_1997__92_3_156276,
     author = {C. Casacuberta and D. Scevenels},
     title = {On genus and embeddings of torsion-free nilpotent groups of class two.},
     journal = {Manuscripta mathematica},
     pages = {463--476},
     publisher = {mathdoc},
     volume = {92},
     number = {3},
     year = {1997},
     zbl = {0878.20022},
     url = {http://geodesic.mathdoc.fr/item/MM2_1997__92_3_156276/}
}