References
- Ambühl, H., 1959: Die Bedeutung der Strömung als ökologischer Faktor. — Schweiz. Z. Hydrol. 21: 133–264.
- Cummins, K. W. & Lauff, G. H., 1966: The influence of substrate particle size on the microdistribution of stream macrobenthos. — Hydrobiologia 34: 145–181.
- Davis, J. A. & Barmuta, L. A., 1989: An ecologically useful classification of mean and near-bed flows in streams and rivers. — Freshwater Biol. 21: 271–282.
- Hynes, H. B., 1970: The ecology of running waters. — Liverpool Univ. Press.
- Macan, T. T., 1961: Factors that limit the range of freshwater animals. — Biol. Rev. 36: 151–198.