Solar magnetohydrodynamic modes and parametric resonance in neutrino spin–flavor conversion N. Reggiani, M.M. Guzzo, J.H. Colonia and P.C. de Holanda Eur. Phys. J. C, 12 2 (2000) 263-269 Published online: 08 December 1999 DOI: 10.1007/s100529900155