References
- Brink, B. J. E. Ten, Hosper, S. H. & Colijn, F., 1991: A quantitative method for description and assessment of ecosystems: the AMOEBA-approach. — Mar. Pollut. Bull. 23: 265–270.
- Chapman, P. M., 1992: Ecosystem health synthesis: can we get there from here? — J. of Aquatic Ecosystem Health 1: 69–79.
- Claassen, T. H. L., 1994: Eutrophication and restoration of a peat ponds area, De Deelen, in the northern Netherlands. — Verh. Internat. Verein. Limnol 25: 1329–1334.
- Claassen, T. H. L. & Maasdam, R., 1995: Restoration of the broads-area Aide Feanen, The Netherlands: measures and results. — Water Science and Technology 31: 229–233.
- Ministry for Transport and Public Works, 1989: Ecological Network: wet axis Friesland-Delta area. — RWS/RIZA, The Hague, 51 pp. (in Dutch).
- Martens, V., 1995: The Root vole, Microtus oeconomus, the Water shrew, Neomys fodiens, and the Harvest mouse, Microtus minutus, in marshes in Friesland. — VVZ, Utrecht, 41 pp. (in Dutch).
- Nature Protection Board, 1991: About carrs and quagmires; a view on the development of new marshes. — Utrecht, 110 pp. (in Dutch).
- Leerdam, A. Van & Vermeer, J. G., 1992: Nature out of the morass; to a sustainable ecological development in marshes. — IVM, Utrecht, 218 pp. (in Dutch).
- Prins, A. H., 1993: Mires; an exploration of possibilities for nature-development. — DLO-IBN, Wageningen, 106 pp. (in Dutch).