References
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- Blind, M. W. & Aalderink, R. H, 1994: Analysis and optimalisation of the standard monitoring network of Water Authority Friesland. — Agricultural University Wageningen, 84 pp. with supplement. (In Dutch).
- Claassen, T. H. L., 1990: Eutrophication observed by remote sensing; a distant point of view. — In: Hooghart, J. C (ed.): Water management and remote sensing, technical meeting 7 November 1989: 39–60. TNO Committee on Hydrological Research, Proceedings and Information 42.
- Claassen, T. H. L., 1997: Management program for rehabilitation of broads in Friesland, The Netherlands. — Verh. Internat. Verein. Limnol. 26: see part 3.
- Hosper, S. H., Boers, P. C. M. & Jong, J. De, 1994: Ecological rehabilitation of lakes, more than reduction of P-loads. — Het Waterschap 79: 545–550. (In Dutch).
- Huet, H. J. W. J. Van, 1991: Modelling water transport and phosphorus eutrophication in an interconnected lake system. — Dissertation, Agricultural University Wageningen, Wageningen.
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- Roijackers, R. M. M., Joosten, A. M. T., Claassen, T. H. L. & Roos, C., 1995: A new ecological assessment method for Dutch shallow lakes. — H2O 28: 392–395. (In Dutch, with English summary).