LEWANDOWSKI, J., M. ADAMSKI, and J. DEPUTAT. “Estimation of Local Material and Structure Parameters of a Polycrystalline Aggregate from Ultrasonic Measurements”. Archives of Acoustics 26, no. 4 (December 31, 2001): 331–349. Accessed March 4, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/409.