Orientational diffusivities measured by Rayleigh scattering in a lyotropic calamitic nematic (Nc) liquid crystal phase: the backflow problem revisitedM. B. Lacerda Santos and M. A. AmatoEur. Phys. J. B, 7 3 (1999) 393-400DOI: https://doi.org/10.1007/s100510050627