ROMANTSEV, I. O.; HAVRYLIUK, V. I. Analysis research method of run audio frequency track circuit. Science and Transport Progress , [S. l.], n. 35, p. 187–192, 2010. DOI: 10.15802/stp2010/9049. Disponível em: https://stp.ust.edu.ua/article/view/9049. Acesso em: 18 apr. 2024.