?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Turksma&rft.au=Turksma%2C+J&rft.aufirst=J&rft.title=Duurzaamheid+in+het+Eems+estuarium&rft.date=2011&rft.degree=Bachelor