Charged-Lepton-Flavour Violation in the light of the Super-Kamiokande data J. Ellis, M.E. Gómez, G.K. Leontaris, S. Lola and D.V. Nanopoulos Eur. Phys. J. C, 14 2 (2000) 319-334 Published online: 06 March 2000 DOI: 10.1007/s100520000357