Kłosowski, P., Woźnica, K. and Weichert, D. (1995) “A Comparative Study of Vibrations of Elasto-Viscoplastic Shells and Plates”, Engineering Transactions, 43(1-2), pp. 183–204. Available at: http://et.ippt.gov.pl/index.php/et/article/view/1492 (Accessed: 17 January 2026).