Isopiestic determination of the osmotic and activity coefficients of the {yKBr + (1-y)K2HPO4}(aq) system at T = 298.15 K Popović, D.Ž.; Miladinović, J.; Miladinović, Z.P.; Grujić, S.R.; Todorović, M.D.; Rard, J.A.; The Journal of Chemical Thermodynamics 2013, 62, 151-161