Wiederkehr P, Gilbert R, Crist P, Caïd N. Environmentally Sustainable Transport (EST): Concept, Goal, and Strategy – The OECD’s EST Project. EJTIR [Internet]. 2004 Mar. 1 [cited 2024 Jul. 19];4(1). Available from: https://journals.open.tudelft.nl/ejtir/article/view/4254