Malcoci, Iulian. “VIBRATION ANALYSIS OF MECHANICAL SYSTEMS WITH MULTIPLE DEGREES OF FREEDOM USING PYTHON”. JOURNAL OF ENGINEERING SCIENCE 32, no. 3 (November 1, 2025): 7–19. Accessed June 23, 2026. https://press.utm.md/index.php/jes/article/view/2025-32-3-01.