“Free Vibration Analysis of Viscoelastic and Magnetorheological Elastomer Composite Sandwich Beam Under Various Boundary Conditions” (2024) Romanian Journal of Acoustics and Vibration, 21(2), pp. 171–181. Available at: https://rjav.sra.ro/index.php/rjav/article/view/445 (Accessed: 2 May 2026).