@article{GDZPPN00223873X,
title = {On genus and embeddings of torsion-free nilpotent groups of class two.},
journal = {Manuscripta mathematica},
volume = {94},
year = {1997},
pages = {463-476},
zbl = {0878.20022},
url = {http://dml.mathdoc.fr/item/GDZPPN00223873X}
}
Casacuberta, C.; Scevenels, D. On genus and embeddings of torsion-free nilpotent groups of class two.. Manuscripta mathematica, Tome 94 (1997) pp. 463-476. http://gdmltest.u-ga.fr/item/GDZPPN00223873X/