GONCHAROV, K. V. Comparative analysis of modulation and demodulation methods of the control signals of rail line. Science and Transport Progress , [S. l.], n. 42, p. 12–19, 2012. DOI: 10.15802/stp2012/9223. Disponível em: https://stp.ust.edu.ua/article/view/9223. Acesso em: 29 apr. 2024.