Höjer, Mattias, and Henrik Gudmundsson. “Sustainable Mobility in an Ecological Economics Perspective - Some Problems With Relating Sustainable Development to Transport”. Proceedings from the Annual Transport Conference at Aalborg University 1, no. 1 (December 31, 1994). Accessed May 10, 2024. https://journals.aau.dk/index.php/td/article/view/3851.