Dynamic strength analysis of the key components of the beam-type pumping unit with dynamic tracking balance. Frattura ed Integrità Strutturale, [S. l.], v. 15, n. 57, p. 291–299, 2021. DOI: 10.3221/IGF-ESIS.57.21. Disponível em: https://ww3.fracturae.com/index.php/fis/article/view/3085. Acesso em: 25 sep. 2024.