Linde, B.B.J., et al. “Molecular Association and Relaxation Phenomena in Water Solutions of Organic Liquids Examined by Photoacoustic and Ultrasonic Methods”. Archives of Acoustics, vol. 31, no. 4(S), Jan. 2014, pp. 143-52, https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1335.