MANIA, Przemysław, Ewa FABISIAK, and Ewa SKRODZKA. “Investigation of Modal Behaviour of Resonance Spruce Wood Samples (Picea Abies L.)”. Archives of Acoustics 42, no. 1 (March 31, 2017): 23–28. Accessed May 7, 2026. https://acoustics.ippt.pan.pl/index.php/aa/article/view/1743.