@misc{colijn_wadden_sea_2007, author={Colijn, F.}, title={Wadden Sea Research in general and specifically in Germany}, year={2007}, howpublished = {conference lecture: Leeuwarden (NL);}, note = {Colijn, F.: Wadden Sea Research in general and specifically in Germany. NATTE WAD, Expertbijeenkomst. Leeuwarden (NL), 2007.}}