Stauskis, Vytautas. “The Influence of the Resonant Ceiling With the Rectangularshaped Slits on the Hall Acoustics”. Journal of Civil Engineering and Management 2, no. 8 (December 31, 1996): 104-109. Accessed November 15, 2024. https://jest.vgtu.lt/index.php/JCEM/article/view/9517.