ZORĘBSKI, E. et al. 2015. Acoustic Nonlinearity Parameter B/A, Internal Pressure, and Acoustic Impedance Determined at Pressures up to 100 MPa for 1-Ethyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide. Archives of Acoustics. 41, 1 (Oct. 2015), 59–66. DOI:https://doi.org/10.1515/aoa-2016-0006.