1.
Runhaar H, van der Heijden R, Kuipers B. Flexibility of Freight Transport Sectors: An Exploration of Carriers’ Responses to External Pressure on Prices and Service. EJTIR [Internet]. 2002 Jan. 1 [cited 2024 Jul. 3];2(1). Available from: https://journals.open.tudelft.nl/ejtir/article/view/3674