@Misc{ ConVivRos21a, author = { Conti, Diego and Del Barco, Viviana and Rossi, Federico A. }, title = { Ad-invariant metrics on nonnice nilpotent Lie algebras }, journal = { }, year = { 2021 }, pages = { }, URL = { https://gecogedi.dimai.unifi.it/paper/416/ }, note = { cvgmt preprint} }