1. Argast, S. and Donnelly, T. W.: 1987,J. Sed. Petrol. 57, 813–823.
2. Aston, S. R.: 1978, Estuarine chemistry. In:Chemical Oceanography 2nd ed., De. J. P. Riley and R. Chester, New York: Acad. Press, pp. 361–440.
3. Barbanti, A., Bergamini, M. C., Frascari, F., Miserocchi, S., Ratta, M. and Rosso, G.: 1995,Mar. Freshwater Res. 46, 55–67.
4. Bek, P.: 1985, Darling River and tributaries — quality of waters,NSW Dept. of Water Resources Technical Report No 5.
5. Berner, R. A.: 1970,American J. Sci.,268, 1–23.