Reference
- Schelske, C. L., Robbins, J. A., Garnder, W. D., Conley, D. J. & Bourbonnier, R. A., 1988: Sediment record of biogeochemical responses to anthropogenic perturbations of nutrient cycles in Lake Ontario. — Can. J. Fish. Aquat. Sci. 45 (7): 1291–1303.