BARBAS, I. H.; KOSTRITSA, S. O.; DATSENKO, V. N.; SULTAN, A. V.; DZYCHKOVSKYI, Y. M.; KRIVCHYKOV, A. Y. The study of dynamics and strength of hoppers (review article). Science and Transport Progress , [S. l.], n. 30, p. 27–32, 2009. DOI: 10.15802/stp2009/14600. Disponível em: https://stp.ust.edu.ua/article/view/14600. Acesso em: 5 may. 2024.