Uniaxial rotational diffusion in the smectic B phase of TBBA observed by quasi-elastic neutron scattering H. Hervet, F. Volino, A.J. Dianoux et R.E. LechnerJ. Physique Lett., 35 9 (1974) 151-155DOI: https://doi.org/10.1051/jphyslet:01974003509015100