?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=D.&rft.aulast=Scarse&rft.au=Scarse%2C+D.&rft.date=2007&rft.degree=Master&rft.title=De+production+of+nature%3A+de+Waddenzee+in+perspectief