1.
Henar Salas-Olmedo M, García-Alonso P, Gutiérrez J. Distance deterrence, trade barriers and accessibility. An analysis of market potential in the European Union. EJTIR [Internet]. 2016Apr.1 [cited 2021Nov.27];16(2). Available from: https://journals.open.tudelft.nl/ejtir/article/view/3140