@misc{hagner_how_international_2001, author={Hagner, C.}, title={How International Policies Affect the Management of Dredged Material in the Area of the North Sea}, year={2001}, howpublished = {GKSS report}, note = {Online available at: \url{} (DOI). Hagner, C.: How International Policies Affect the Management of Dredged Material in the Area of the North Sea. GKSS 2001-13. 2001.}}