Neutron and Raman scattering studies of the methyl dynamics in solid toluene and nitromethane D. Cavagnat, J. Lascombe, J.C. Lassegues, A.J. Horsewill, A. Heidemann et J.B. Suck J. Phys. France, 45 1 (1984) 97-105 DOI: 10.1051/jphys:0198400450109700