References
- Brock, T. D., 1978: Thermophilic microorganisms and life at high temperatures. — 465 pp., Springer-Verlag, New York/Heidelberg/Berlin.
- Castenholz, R. W., 1975: Thermal streams. — In: River Ecology. 264–285, B. A. Whitton (ed.). Blackwell, Oxford.
- De Luca, P. & Taddei, R., 1970: Due alghe delles fumarole acide dei Campi Flegrei (Napoli): Cyanidium caldarium? — Delpinoa, N. S. 10/11: 79–89.
- Hargreaves, J. W., Lloyd, E. J. H. & Whitton, B. A., 1975: Chemistry and vegetation of highly acidic streams. — Freshwat. Biol. 5: 564–576.
- Holmes, N. T. H. & Whitton, B. A., 1981: Phytobenthos of the River Tees and its tributaries. — Freshwat. Biol. 11: 139–168.
- Lackey, J. B., 1938: The fauna and flora of surface waters polluted by acid mine drainage. — U. S. Publ. Hlth. Rep. 53: 1499–1507.
- Negoro, K., 1944: Untersuchungen über die Vegetation der mineralogen-azidotrophen Gewässer Japans. — Sci. Rep. Tokyo Bunrika Daigaku, Section B 6: 231–374.
- Visualingam, M., 1978: The signed chi-square measure for mapping. — Cartographic J. 15: 93–98.