References
- Bricaud, A., Morel, A. & Prier, L., 1981: Absorption by dissolved organic matter in the UV and visible domains. — Limnol. Oceanogr. 26: 43–53.
- De Haan, H., 1982: Physico-chemical environment in Tjeukemeer with special reference to speciation of algal nutrients. — Hydrobiologia 95: 205–221.