References
- Colenbrander, H. J., 1986: Water in the Netherlands. — The Hague, TNO Committee on Hydrological Research, Proceedings and Information no. 37, 70 pp.
- C.E. N. W., 1987: Several ideas in this paragraph were developed in the “Commissie Ecologische Normen Waterbeheer”. (Commission on Ecological Standards in Watermanagement) of the Health Council.
- Gezondheidsraad, 1984: Advice concerning concepts and terms to be used in ecological water management. — ‘s-Gravenhage, Report Nr. 37, 50 pp. (in Dutch).
- I.U. C. N., 1980: World conservation strategy; living resource conservation for sustainable development. — Gland (Switzerland), Internat. Union for Conservation of Nature and Natural Resources, 5 + 2 + 48 + 10 pp.
- Kwa, C. L. & Ringelberg, J., 1984: Unifying concepts and their relation to ecological management of surface waters. — Univ. of Amsterdam, Dept. of Aquatic Ecology, Mimeogr. Rep., 68 pp. (in Dutch).
- Leentvaar, P., 1988: Ecological standards to be used for the assessment of hydro-environmental water Quality. — Verh. Internat. Verein. Limnol. 23: 1471 – 1475.
- Ministerie Van Verkeer En Waterstaat, 1980: Water Action Programme 1980–1984. —‘S-Gravenhage, Ministry of Transport and Public Works, 48 pp. (Abstract in English).
- Ministerie Van Verkeer En Waterstaat 1985: Water Action Programme 1985–1989. — ‘S-Gravenhage, Ministerie Van Verkeer En Waterstaat, 193 pp. (in Dutch).
- Saris, F. & De Groot, W. T., 1987: Ecological standards. — Landschap, 4: 5–10.
- Vallentyne, J. R., 1981: The ecosystem approach to planning, research and management in the Great Lakes Basin. — Verh. Internat Verein. Limnol. 21: 1749–1752.
- Vallentyne, J. R. & Beeton, A. M., 1987: The ecosystem approach to managing human uses and abuses of the Great Lakes. — XXIII Congress Int. Ass. Limnol., Abstracts: 128.