HANIIEV, I. H. AN ESTIMATE OF USABILITY ELEMENTS OF SPANS. Science and Transport Progress , [S. l.], n. 20, p. 111–112, 2008. DOI: 10.15802/stp2008/16728. Disponível em: https://stp.ust.edu.ua/article/view/16728. Acesso em: 4 may. 2024.