?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Wieringa&rft.aufirst=R.&rft.au=Wieringa%2C+R.&rft.title=Parking+controls+in+Groningen%3A+Modal+shift+or+problem+shift%3F&rft.degree=Bachelor&rft.date=2019