PŁOWIEC, R., and K. ORZECHOWSKI. “Dipole Retardation in a Mixture of Acetamide and Calcium Nitrate”. Archives of Acoustics 19, no. 1 (May 1, 2014): 123–130. Accessed July 1, 2025. https://acoustics.ippt.pan.pl/index.php/aa/article/view/1066.