Densities, Sound Speed, and IR Studies of (Methanol + 1-Acetoxybutane) and (Methanol + 1,1-Dimethylethyl Ester) at (298.15, 303.15, 308.15, and 313.15) K Hasan, M.; Hiray, A.P.; Kadam, U.B.; Shirude, D.F.; Kurhe, K.J.; Sawant, A.B.; Journal of Chemical & Engineering Data 2010, 55, 535-538