References
- Dawson, F. H. & Robinson, W. N., 1984: Submerged macrophytes and the hydraulic roughness of a lowland chalk stream. — Verh. Internat. Verein. Limnol. 22: 1944–1948.
- Erup, J., 1987: Diurnal fluctuations in waterstage and discharge in Danish Rivers. — Report No 31, Hedeselskabet, Research Department, 42 pp. (in Danish with summary in English).
- Powell, K. E. C., 1978: Weed growth — A factor of channel roughness. — In: Herschy R. W., (ed.): Hydrometry, Principles and Practices: 327–352. — John Wiley & Sons Ltd.
- Sorrell, B. K., 1991: Transient pressure gradients in the lacunar system of the submerged macrophyte Egeria densa Planch. -Aquat. Bot. 39: 99–108.
- Sorrell, B. K. & Dromcoole, F. I., 1988: Oxygen transport in the submerged freshwater macrophyte Egeria densa Planch. II. Role of lacunar gas pressures. — Aquat. Bot. 31: 93–106.
- Tschinkel, H. M., 1963: Short-term fluctuation in stream flow as related to evaporation and transpiration. — J. Geophys. Res. 68(24): 6459–6469.