References
- Bachmann, R. W., 1980: Prediction of total nitrogen in lakes and reservoirs. — In: U. S. Environm. Protection Agency. Restoration of lakes and inland waters; Internat. symposium on inland waters and lake restoration, September 8–12, 1980, Portland, Maine: 320–324. EPA 440/5-81-010.
- Canfield, D. E. Jr. & Bachmann, R. W., 1981: Prediction of total phosphorus concentrations, chlorophyll a, and Secchi depths in natural and artificial lakes. — Can. J. Fish. Aquat. Sci. 38: 414–423.
- Fricker, H., 1980: Methods of assessing nutrient loading. — In: U.S. Environm. Protection Agency. Restoration of lakes and inland waters; Internat. symposium on inland waters and lake restoration, September 8–12, 1980, Portland, Maine: 56–60. EPA 440/5-81-010.
- U.S. Environmental Protection Agency, 1980: Clean lakes program guidance manual. — Office of Regulation and Standards. EPA-440/5-81-003.
- Vollenweider, R. A., 1969: Possibilities and limits of elementary models concerning the budget of substances in lakes (Ger). — Arch. Hydrobiol. 66: 1–36.