@misc{colijn_eu_directives_2006, 
author={Colijn, F., Garthe, S.},
title={EU Directives and their effects on the ecosystem of the Wadden Sea},
year={2006},
howpublished = {conference paper: Esbjerg (DK);},
note = {Colijn, F.; Garthe, S.: EU Directives and their effects on the ecosystem of the Wadden Sea. In: Laursen, K. (Ed.): Monitoring and Assessment in the Wadden Sea, Proceedings from the 11. Scientific Wadden Sea Symposium, NERI Technical Report No. 573, Part I. Esbjerg (DK). 2006. 13-20.}}