?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Jager&rft.au=Jager%2C+L.+A.&rft.aufirst=L.+A.&rft.date=2013&rft.degree=Master&rft.title=Adaptive+Delta+Management%2C+the+Delta+Program+in+a+balancing+act+between+traditional+and+adaptive+approaches.+Regional+dilemmas+for+the+Wadden+region+sub-program