LIANG, Bo; XIAO, Yao. Calculation model and analysis for lay-by spacing in highway tunnel. Archives of Civil Engineering, [S. l.], v. 68, n. 4, p. 347–357, 2022. DOI: 10.24425/ace.2022.143042. Disponível em: https://wydawnictwo.pan.pl/index.php/ace/article/view/4025. Acesso em: 20 oct. 2026.