Speed of Sound, Density, and Compressibility of Alkyl-Benzenes as a Function of Pressure and Temperature: Heptadecylbenzene and Octadecylbenzene Dutour, S.; Carrier, H.; Lagourette, B.; Gao, G.H.; Daridon, J.L.; Journal of Chemical & Engineering Data 2004, 49, 983-987