Physico-Chemical Study of Barium (II) Dipivaloylmethanate Nature N.E. Fedotova, I.K. Igumenov, V.I. Mamatyuk et G.V. Sidorenko J. Phys. IV France, 05 C5 (1995) C5-431-C5-438 DOI: 10.1051/jphyscol:1995550