SZACHNOWSKI, Wiesław, and Bogdan WIŚLICKI. “The Molecular Characteristics of Oil Fractions Determined from Ultrasonic Velocity Measurements”. Archives of Acoustics 6, no. 2 (March 7, 2016): 179–204. Accessed January 18, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/3306.