References
- Allen, T. F. H., 1971: Multivariate approaches to the ecology of algae on terrestrial rock surfaces in North Wales. – J. Ecol. 59: 803–826.
- Allen, T. F. H. & Koonce, J. F., 1973: Multivariate approaches to algal stratagems and tactics in systems analysis of phytoplankton. — Ecology 54: 1234–1246.
- Boudouresque, C. F., 1971: Délimitation et signification des facies algaux de la 'biocoenose de la roche sciaphile en mode battu' dans la region de Marseille, par l'analyse factorielle des corrélations interspécifiques. — Bull. Soc. Phyc. France 16: 31–37.
- Comere, J., 1906: Observations sur la périodicité du dévéloppement de la flore algo-logique dans la région toulousaine. — Bull. Soc. Bot. France, Séries IV 53: 390–407.
- Fritsch, F. E. & Rich, F., 1913: British freshwater algae in nature. 3. A four years' observation of a freshwater pond. — Ann. Biol. Lacustre 6: 33–115.
- Hillebrand, H., 1977: Periodicity and distribution of multicellular green algae in two lake areas in The Netherlands. — Thesis, Free Univ., Amsterdam, The Netherlands, 178 pp.
- Nie, N. H., Hull, C. H., Jenkins, J. G., Steinbrenner, K. & Bent, D. H., 1975: SPSS. Statistical package for the social sciences, 2nd ed. — Mc. Graw-Hill, New York, 675 pp.
- Symons, F., 1970: Study of the ecological relations between 30 species of algae by means of a factor analysis. — Hydrobiologia 36: 513–600.
- Transeau, E. N., 1916: The periodicity of freshwater algae. — Amer. J. Bot. 3: 121–133.