?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Veen&rft.aufirst=E.A.+van&rft.au=Veen%2C+E.A.+van&rft.degree=Master&rft.date=2012&rft.title=Making+transport+more+sustainable%3A+The+impact+of+European+White+Papers+on+national+transport+policy+goals