1. Anon. 1985.Biological research Ems-Dollard estuary. BOEDE, Rijkswaterstaat Communications Nr. 40/1985.
2. Admiraal, W. & Peletier, H. 1979 Sulphide tolerance of benthic diatoms in relation to their distribution in an estuary.Brit. Phycol. J. 14: 185–196.
3. Bach, H.K., Rasmussen, E.K. & Riber, H.H. 1992. The application of an ecological model to assess the impact of sediment spill on benthic vegetation. In: Bjšrnestad, E., Hagerman, L. & Jensen, K. (eds.)Proc. 12th Baltic Marine Biologists Symposium, Helsingör, Denmark, 25–30 August 1991, pp. 7–15. Olsen and Olsen, Fredensborg.
4. Bach, H.K., Jensen, K. & Lyngby, J.E. 1997. Management of marine construction works using ecological modelling.Est. Coast. Shelf Sci. 44 (suppl. A): 3–14.
5. Ecological Studies;J. Baretta,1988