References
- Brav, J. T., Bricker, O. P. & Troup, B. N., 1973: Phosphate in interstitial waters of anoxic sediments: oxidation effects during sampling procedure. — Science 180, 1362–1364.
- Davies, A. G., 1970: Iron, chelation and the growth of marine phytoplankton. — J. Mar. Biol. Ass. U. K. 50, 65–86.
- Eyster, C., 1962: Micronutrients requirements for green plants, especially algae. — Algae and Man, Ed. D. F. Jackson, NATO Advanced Study Institute.
- Goldman, C. R., 1969: Carbon-14 uptake as a sensitive measurement of growth of algal cultures.—In: Proc. Eutrophication Biostimulation Assessment Workshop, 158–170. Berkeley, California. June 19–22, 1969.
- Healey, P., 1974: Inorganic nutrient uptake and deficiency in algae.—In press.
- Lewin, J. & Chen. C., 1973: Changes in the concentration of soluble and particulate iron In Seawater Enclosed in Containers. — Limnol. Oceanogr. 18, 4, 590–596.
- Luckey, M., Pollack, J. R., Wayne, R., Ames, B. N. & Neilands, J. B., 1972: Iron uptake in SalmoneUa typhimurium: Utilazation of Exogenous Siderochromes as iron carriers. — J. Bad. Ill, 3, 731–738.
- Lund, J. W. G., 1972: Freshwater Biological Association. Forty-first Annual Report.
- Mackereth, F. J. H., 1966: Some observations in post-glacial lake sediments. — Phil. Trans. Roy. Soc. London, Ser. B. 250, 165–213.
- Mortimer, C. H., 1941: The exchanges of dissolved substances between mud and water. I and II. — J. Ecol. 29, 280–329.
- Morton, S. D. & Lee, T. H., 1974: Algal blooms—possible effects of iron.—Environm. Sci. Technol. 8, 7, 673–674.
- Peters, W. J. & Warren, R. A. J., 1968: Phenolic acids and iron transport in Bacillus subtilis.—Biochim. Biophys. Acta, 165, 225–232.
- Ponnameruma, P. N., Tianco, E. M. & Lot, T., 1967: Redox equilibrium in flooded soils: the iron hydroxide systems. — Soil Sci. 6, 374–582.
- Sakamoto, M., 1971: Chemical factors involved in the control phytoplankton production in the experimental lakes area, Northwestern Ontario. — J. Fish. Res. Board Canada 28, 2, 203–213.
- Schelske, C. L., Hooper, F. F. & Haert, L., 1962: Responses of a marl lake to chelated iron and fertilizer. — Ecology 43, 4, 646–653.
- Schindler, J. E., 1972: A preliminary investigation of organic-inorganic associations in a stagnating system. — Limnol. Oceanogr. 17, 6, 952–958.
- Shapiro, J., 1969: Iron in natural waters—its characteristics and biological availability as determined with the ferrigram. — Verh. Internat. Verein. Limnol. 17, 456–466.
- Sommers, L. E., Harris, R. F., Williams, J. D. H., Armstrong, D. E. & Syers, J. K., 1972: Fractionation of organic phosphorus in lake sediments. — Soil Sei. Soc. Amer. Proc. 36, 51–56.
- Wetzel, R. G., 1966: Productivity and nutrient relationships in marl lakes of northern Indiana. — Verh. Internat. Verein. Limnol. 16, 321–332.
- Winkelman, G., 1974: Metabolic products of microorganisms, iron transport studies with ferrichrome-type compounds. — Arch. Microbiol. 98, 39–50.