STELIGA, I.; GRYDZHUK, J.; DZHUS, A. An experimental and theoretical method of calculating the damping ratio of the sucker rod column oscillation. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 2, n. 7(80), p. 20–25, 2016. DOI: 10.15587/1729-4061.2016.66193. Disponível em: https://journals.uran.ua/eejet/article/view/66193. Acesso em: 6 may. 2024.