LAGUTA, V. V.; KHIZYAKOV, V. Y. Estimation of a condition of electromagnetic relays a method of acoustic diagnostics in systems of railway automatics. Science and Transport Progress , [S. l.], n. 40, p. 204–207, 2012. DOI: 10.15802/stp2012/7087. Disponível em: https://stp.ust.edu.ua/article/view/7087. Acesso em: 4 may. 2024.