Experimental Determination of Densities and Refractive Indices of the Ternary Mixture 2-Methyl-2-propanol + Cyclohexylamine + n-Heptane at T = (303.15 to 323.15) K Radović, I.R.; Šerbanović, S.P.; Djordjević, B.D.; Kijevčanin, M.L.; Journal of Chemical & Engineering Data 2011, 56, 344-349