Maltoni, F.Niczyporuk, J. M.Willenbrock, S.2004-12-102004-12-1020012001http://hdl.handle.net/2003/1806510.17877/DE290R-11922enThe American Physical SocietyPhysical Review Letters530Upper Bound on the Scale of Majorana-Neutrino Mass Generation10.1103/PhysRevLett.86.212article (journal)