Andersen, Jonas L. E., Alex Landex, e Otto Anker Nielsen. “Light Rail Project in Copenhagen – the Ring 21⁄2 Corridor”. Proceedings from the Annual Transport Conference at Aalborg University 13, no. 1 (dezembro 31, 2006). Acessado novembro 14, 2026. https://journals.aau.dk/index.php/td/article/view/5205.