1. Allan, R. J. & G. J. Brunskill, 1977. Relative atomic variation (RAV) of elements in lake sediments: Lake Winnipeg and other Canadian lakes. In: H. L. Golterman (ed.), Interactions between sediments and fresh water. Dr W. Junk Publishers, The Hague, 108?120.
2. Armengol, J., M. Crespo & J. A. Morgui, 1984. Phosphorus compounds in the sediment of the Sau reservoir (Barcelona, N.E. Spain) throughout its twenty-year existence. Verh. int. Ver. Limnol. 22: 1536?1540.
3. Armengol, J., J. L. Riera & J. A. Morgui, 1991. Major ionic composition in the Spanish reservoirs. Verh. int. Ver. Limnol. 24: 1363?1366.
4. Avnimelech, Y., 1983. Phosphate and calcium carbonate solubilities in Lake Kinneret. Limnol. Oceanogr. 28: 640?645.
5. Bortlesson, G. C. & G. F. Lee, 1972. Recent sedimentary history of lake Mendota. Environmental, 6: 799?808.