PETROV, A. V.; SABLIN, O. I. Quality electricity lines of external power systems electric traction DC. Science and Transport Progress , [S. l.], n. 41, p. 95–100, 2012. DOI: 10.15802/stp2012/7678. Disponível em: https://stp.ust.edu.ua/article/view/7678. Acesso em: 6 may. 2024.