References
- Anderson, B. G., 1944: The toxicity thresholds of various substances found in industrial wastes as determined by the use of Daphnia magna. — Sewage Works. J. 16: 1156–65 (not seen).
- Biesinger, K. E. & Christensen, G. M., 1972: Effects of various metals on survival, growth, reproduction and metabolism of Daphnia magna. — 7. Fish. Res. Bd. Can. 29: 1691–1700.
- Johnsen, P., Mathiesen, H. & Røen, U., 1962: The lakes “Sorosøerne”, “Lyngby Sø” and “BagsvÆrd Sø” (English summary). — Dansk Ingeniørforening Spildevandskomiteen No 14, 135 pp.
- Liebmann, H., 1960: Handbuch der Frischwasser- und Abwasserbiologie, II. — R. Oldenbourg, München. 1149 pp.
- Mortensen, B. F. (ed.), 1973: The lake “Lyngby Sø”, 1972. Lake restoration possibilities (in Danish). — Enviroplan A/S, Copenhagen. 165 pp.
- Nilsson, R. Et Al., 1975: Information catalogue, Boliden Kemi AB (in Swedish). — Helsingborg. 78 pp.
- Norup, B., 1975: The lake “Lyngby Sø”, 1974–75. Field investigations after treatment with phosphate-reducing agents. Bottom fauna investigations, physical-chemical water quality, phytoplankton productivity (in Danish). — Enviroplan A/S. 22 pp.
- Palmark, M., Norup, B. & Thorndahl, U., 1974: The lake “Lyngby Sø”, 1974. Treatment with phosphate-reducing agents. Physical-chemical water quality, phytoplankton productivity (in Danish). — Enviroplan A/S. 75 pp.
- Peterson, S. A. Et Al., 1976: Nutrient inactivation as a lake restoration procedure. Laboratory investigations. — Environm. Protection Agency, Ecolog. Res. Series EPA 660/3-74-032: 127 pp.
- Sønnichsen, T., 1975: The lake “Lyngby Sø”, 1974–75. Zooplankton investigations: The effect of phosphate-reducing agents on the zooplankton (in Danish). — Privately printed, Copenhagen. 48 pp.
- Stephan, H., 1953: Der Einfluß von anorganischen Schwebstoffen auf Cladoceren und Copepoden. — Inaug.-Diss. Naturwis. Fakultät, München (not seen).