Kalenoja, Hanna. «Energy Consumtion and Enviromental Effects of Passenger Transport Modes - a Life Cycle Study on Passenger Transport Modes». Proceedings from the Annual Transport Conference at Aalborg University 3, no. 1 (Dezembro 31, 1996). Acedido Maio 19, 2024. https://journals.aau.dk/index.php/td/article/view/3963.