VATULIA, H. L. DEFINITION OF FREQUENCY AND FORMS OF FREE VIBRATIONS OF THE FOOTBRIDE. Science and Transport Progress , [S. l.], n. 33, p. 60–63, 2010. DOI: 10.15802/stp2010/13130. Disponível em: https://stp.ust.edu.ua/article/view/13130. Acesso em: 22 dec. 2024.