Alecu, Aurel M., Mihail I. Boiangiu, and Viorel I. Anghel. “Semi-Analytical Method for the Dynamic Analysis”. Computer Assisted Methods in Engineering and Science 9, no. 4 (December 31, 2002): 423–438. Accessed May 8, 2026. http://cames.ippt.gov.pl/index.php/cames/article/view/1109.