Media type: E-Article Title: Neutrino mass problem and gauge hierarchy Contributor: Magg, M.; Wetterich, Ch. Published: Elsevier BV, 1980 Published in: Physics Letters B, 94 (1980) 1, Seite 61-64 Language: English DOI: 10.1016/0370-2693(80)90825-4 ISSN: 0370-2693 Origination: Footnote: