@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); 14.03.2007},
note = {Online available at: \url{} (DOI). Colijn, F.: Wadden Sea Research in general and specifically in Germany. NATTE WAD, Expertbijeenkomst. Leeuwarden (NL), 2007.}}