LITNIEWSKI, Jerzy. “Statistics of Envelope of High-Frequency Ultrasonic Backscatter from Trabecular Bone: Simulation Study”. Archives of Acoustics 35, no. 3 (November 11, 2013): 349–360. Accessed January 17, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/229.