?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=L.&rft.au=Zegers%2C+L.&rft.aulast=Zegers&rft.date=2014&rft.title=Waterschappen+in+een+veranderende+stroming&rft.degree=Master