Probing the self-aggregation of ionic liquids in aqueous solutions using density and speed of sound data M. Tariq, F. Moscoso, F. J. Deive, A. Rodríguez, M. A. Sanromán, J. M. S. S. Esperança, J. N. C. Lopes, L. P. N. Rebelo (2013) Journal of Chemical Thermodynamics, 59: 43-48 DOI: 10.1016/j.jct.2012.11.032