Neutron scattering study of methyl group rotation in solid para-azoxyanisole (PAA) H. Hervet, A.J. Dianoux, R.E. Lechner et F. VolinoJ. Phys. France, 37 5 (1976) 587-594DOI: https://doi.org/10.1051/jphys:01976003705058700