1. Sioli, H. in River Ecology (ed. Wretton, B. A.) 461–488 (Blackwell, London, 1975).
2. Gibbs, R. J. J. mar. Res. 28, 113–132 (1970).
3. Milliman, J. D. & Meade, R. H. J. Geol. 91, 1–21 (1983).
4. Nittrouer, C. A., Curtin, T. B. & DeMaster, D. J. Cont. Shelf Res. 6, 151–174 (1986).
5. Ryther, J. H., Menzel, D. W. & Corwin, N. J. mar. Res. 25, 69–83 (1967).