?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Lammers&rft.au=Lammers%2C+E&rft.aufirst=E&rft.degree=Bachelor&rft.date=2017&rft.title=Overstromingsrisico's+in+Groningen