BALCERZAK, Andrzej. “Ultrasonic Measurements of Aqueous Solutions of [ampersand]beta;-Cyclodextrin With Alkyl Pyridinium Bromides”. Archives of Acoustics 33, no. 4 (January 1, 2008): 627–641. Accessed June 11, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/560.