References
- Arber, A., 1920: Water plants, a study of aquatic angio-sperms. — Cambridge University press.
- Bonnard, R. & Michon, A., 1981: The groupings of aquatic macrophytes in the Loue, France. — Ann. Limnol. 17(2): 105–120.
- Botterweg, J. & Helmer, W., 1991: Future for a gravel river. Part 7. Perspectives and risks for the biotic community. — RIZA Report 91.019. (in Dutch).
- Breukel, R., Silva, W., Van Vuuren, W., Botterweg, J. & Venema, R., 1991: The River Meuse: past, present and future. — Riza Report 91.052. (in Dutch).
- Brock, C. M. Th., Boon, J. J. & Paffen, B. G. P., 1985: The effects of the season and of waterchemistry on the decomposition of Nymphaea alba L.: weight loss and pyrolysis mass spectrometry of the particulate matter. — Aquatic Botany 22: 197–229.
- Butcher, R. W., 1933: Studies on the ecology of rivers. I — On the distribution of macrophytic vegetation in the rivers of Britain. — J. Ecol. 21: 58–91.
- Cook, C. D. K., 1966: A monographic study of Ranunculus subgenus Batrachium (D.C.) A. GRAY. — Mitt. Bot. Staats. München 6: 47–237.
- Dawson, F. H., 1979: Ranunculus calcareus and its role in lowland streams. — Ann. Rep. Freshwater Biol. Assoc. 47: 60–69.
- Dethioux, M., 1982: Données sur l'ecologie de Ranunculus penicillatus (DUM) BAB. et R. fluitans LAM. en Belgiques. — In: Symoens, J. J., Hooper, S. S. & Compere, P. (Eds.): Studies on Aquatic Vascular Plants: 187–191. Royal Botanical Society of Belgium, Brussels.
- Ettl, H., Gerloff, J. & Heying, H. (EDS.), 1981: Süßwasserflora von Mitteleuropa. Band 24, Teil 2., 942 pp.
- Glanzer, U., Haber, H. & Kohler, A., 1977: Experimentelle Untersuchungen zur Belastbarkeit submerser Fließgewásser-Macrophyten. — Arch. Hydrobiol. 79(2): 193–232.
- Ham, S. F., Wright, J. F. & Berrie, A. D., 1981: Growth and recession of aquatic macrophytes on an unshaded section of the River Lambourn, England, from 1971–1976. — Freshwater Biology 11: 381–390.
- Haslam, S. M., 1978: River plants. Cambridge University Press; Cambridge, 396 pp.
- Helmer, W., Overmars, W. & Litjens, G., 1991: Future for a gravel river. — Report ‘Stroming’ Consultancy. (in Dutch).
- Purseglove, J., 1988: Taming the flood. A history and natural history of rivers and wetlands. — Oxford University press; Oxford, 307 pp.
- Schwoerbel, J. & Tillmanns, G. C., 1964: Konzentrationsabhángige Aufnahme von wasserlöslichem PO4-P bei submersen Wasserpflanzen. — Die Naturwissenschaften 13: 319–320.
- Van Der Borght, P., Ska, B., Schmitz, A. & Wollast, R., 1982: Eutrophisation de la rivière Semois: le developpement de Ranunculus et ses consequences sur l'écosystème aquatique. — In: Symoens, J. J., Hooper, S. S. & Compere, P. (Eds.): Studies on Aquatic Vascular Plants: 340–345. Royal Botanical Society of Belgium, Brussels.
- Whitton, B. A., 1975: River ecology. Studies in Ecology volume 2. Blackwell scient, public. Oxford, London, Edinburgh, Melbourne, 725 pp.