References
- Antia, J. J., McAllister, C. D., Parsons, T. R., Stephens, K. & Strickland, J. D. H., 1963: Further measurements of primary production using a large-volume plastic sphere. — Limnol. Oceanogr. 8: 166–183.
- APHA (American Public Health Association), 1975: Standard Methods for the examination of water and waste water, 14th ed. — APHA.
- Nakamoto, N., 1977: Use of the heterotrophic activity as a measure of algal growth potential of waters. — Yosui to Haisui(J. Wat. Waste) 19: 87–94 (in Japanese).
- Nakamoto, N., 1978: A new bioassay to evaluate the biologically available nutritional matter in water. — Gesuido Kyokai Shi (J. Jap. Sew. Wks. Ass.) 15: 35–42 (in Japanese).
- Strickland, J. D. H., 1960: Measuring the production of marine phytoplankton. — Bull. Fish. Res. Bd. Can. 122: 172 pp.