Densities and Excess Molar Volumes of the Ternary System N2O4 + H2O + HNO3 at 278.15 K, 283.15 K, 288.15 K, and 293.15 K Zhang, Y.; Wang, Q.; Wu, F.; Wang, L.; Zhang, X.; Journal of Chemical & Engineering Data 2011, 56, 2416-2419