References
- Fisher, R. T., 1979: Plankton and primary production in aquatic systems of the central Amazon basin. — Comp. biochem. Physiol. 62 A: 31–38.
- Hammer, L., 1965: Photosynthese and Primärproduktion im Rio Negro. — Int. Rev. ges. Hydrobiol. 50: 335–339.
- Lewis, W. M. & Weibezahn, F. H., 1976: Chemistry, energy flow, and community structure in some Venezuelan fresh waters. — Arch. Hydrobiol. 50: 145–207.
- Michaelis, W. & Ittekkot, V., 1982: Biogeochemistry of rivers, field and analytical techniques. — Mitt. Geol. Palaont. Inst. Univ. Hamburg (SCOPE/UNEP) 52: 69–89.
- Schmidt, G., 1973: Primary production of phytoplankton in the three types of Amazonian waters. III. Primary productivity of phytoplankton in a tropical flood-plain lake of Central Amazonia, Lago do Castanho, Amazonas, Brazil. — Amazoniana 4: 379–404.
- Serruya, C. & Pollingher, U., 1983: Lakes of the warm belt. — Cambridge Univ. Press, Cambridge, 569 pp.
- Vollenweider, R. A., 1974: A Manual of methods for measuring primary production in aquatic environments. — IBP Handbook 12: 225 pp., Blackwell Sci. Publ., London.