1. APHA . 1980 .Standard methods for the examination of water and wastewater,, 15th ed 1134 Washington , DC : American Public Health Association .
2. Ashby , S. L. , Kennedy , R. H. , Carroll , J. H. and Gunkel , R. C. Jr. 1990 .Water quality studies: Richard B, Russell and J. Strom Thurmond Lakes; Fourth Annual Interim Report, Miscellaneous Paper EL-90–195 Vicksburg , MS : US Army Engineer Waterways Experiment Station .
3. Ashby , S. L. , Kennedy , R. H. , Carroll , J. H. and Hains , J. J. 1994 .Water quality studies: Richard B, Russell and J. Strom Thurmond Lakes; Summary Report, Miscellaneous Paper EL-94–669 Vicksburg , MS : US Army Engineer Waterways Experiment Station .
4. Phosphorus, iron, and manganese distribution in sediment cores of six Wisconsin lakes1
5. Different patterns of phosphorus release from lake sediments in laboratory experiments