KRÓLIKOWSKI J, WITCZAK Z. The influence of a pressure medium on the accuracy of measurements in ultrasonic investigations of solids. Arch. Acoust. [Internet]. 1991 Dec. 31 [cited 2026 Mar. 4];16(3-4):531-45. Available from: https://acoustics.ippt.gov.pl/index.php/aa/article/view/1247