1. Andersen, J., Karup, H. and Nielsen, U. B. (eds.) (1996) Scientific Symposium on the North Sea, Quality Status Report, 18–21 April 1994, Ebeltoft, Denmark. Danish Environmental Protection Agency, Copenhagen
2. Arthurton, R. S., Harrison, D. J., Laban, C., Leth, J. and Lillywhite, R. P. (1997) Marine sand and gravel in North west Europe – a regional view of demand and resources. In ECMP ‘97 European Conference on Mineral Planning. Zwolle, The Netherlands
3. Attrill, M. J., Ramsay, P. M., Thomas, R. M. and Trett M. W. (1996) An estuarine biodiversity hot spot. Journal of the Marine Biologists Association, United Kingdom 76 (1), 161–175
4. Backhaus, J. O. (1996) Climate sensitivity of European marginal seas, derived from the interpretation of modelling studies. Journal of Marine Systems 7 (2–4), 361–382
5. Backhaus, J. O. (1989) The North Sea and the climate. Dana, a Journal of Fisheries and Marine Research 8, 69–82