Grubliauskas, Raimondas, and Donatas Butkus. “Chamber Investigation and Evaluation of Acoustic Properties of Materials”. Journal of Environmental Engineering and Landscape Management 17, no. 2 (June 30, 2009): 97-105. Accessed December 22, 2024. https://journals.vilniustech.lt/index.php/JEELM/article/view/6508.