1.
Wiederkehr P, Gilbert R, Crist P, Caïd N. Environmentally Sustainable Transport (EST): Concept, Goal, and Strategy – The OECD’s EST Project. EJTIR [Internet]. 2004Mar.1 [cited 2023Nov.30];4(1). Available from: https://journals.open.tudelft.nl/ejtir/article/view/4254