JAKUBIK, W., and M. URBAŃCZYK. “An Influence of Vapours of Some Organic Compounds and Water on Acoustic Properties of Selected Polymer Layers”. Archives of Acoustics 18, no. 1 (March 31, 1993): 157–161. Accessed March 4, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/1136.