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