[1]
Pittelkow, A., Lohmann-Hansen, A. , Lahrmann, H., Kildebogaard, J. and Nielsen, J. 1999. Workshop om roadpricing. Proceedings from the Annual Transport Conference at Aalborg University. 6, 1 (Dec. 1999). DOI:https://doi.org/10.5278/ojs.td.v6i1.4489.