Volumetric and acoustical properties of aqueous mixtures of N-methyl-2-hydroxyethylammonium propionate at T = (298.15 to 333.15)K Li, Y.; Figueiredo, E.J.; Santos, M.J.; Santos, J.B.; Talavera-Prieto, N.M.; Carvalho, P.J.; Ferreira, A.G.; Mattedi, S.; The Journal of Chemical Thermodynamics 2015, 88, 44-60