P. KUMARI VERMA, V. DHOMNE, S. SINHA, and P. SINHA, “A Study of Solute-Solvent Interaction of Chloride and Bromide of Barium in Aqueous Dimethyl-formamide (DMF) between 298 and 313 K from Apparent Molal Volume Data”., ajc, vol. 9, no. 4, pp. 774–782, Jun. 2010.