?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Ahrberg&rft.au=Ahrberg%2C+E.C.&rft.aufirst=E.C.&rft.date=2018&rft.title=Governing+for+Water+Quality+-+Implementing+the+WFD+in+German+River+Basins&rft.degree=Master