1. Rodhe. W., Crystallization of eutrophication concepts in northern Europe. In: Rohlich GA, editor. Eutrophication: causes, consequences, correctives. Proceedings of the 1967 international symposium on eutrophication, National Academy of Sciences, Madison; 1969. pp. 50–64.
2. ILEC and Lake Biwa Research Institute, 1988–1993 Survey of the state of the world’s lakes, vol. I–V, International Lake Environment Committee/United Nations Environment Programme, Otsu/Nairobi; 1993.
3. Eutrophication of U.S. freshwaters: analysis of potential economic damages;Dodds;Environmental Science and Technology,2009
4. ODNR, O.D.H., O.D.A., and OEPA. State actions for water quality improvement at Grand Lake, Saint Marys. Columbus, OH, Department of Natural Resources; 2010.
5. A hetero-photoautotrophic two-stage cultivation process to improve wastewater nutrient removal and enhance algal lipid accumulation;Zhou;Bioresource Technology,2012