MOLECULAR MOTIONS IN A VISCOUS ORGANIC LIQUID : FERROCENE IN COLD BUTYL PHTHALATE S. L. RUBY, B. J. ZABRANSKY et P. A. FLINNJ. Phys. Colloques, 37 C6 (1976) C6-745-C6-750DOI: https://doi.org/10.1051/jphyscol:19766156