References
- Berman, T. & Holm-Hansen, O. 1974: Release of photoassimilated carbon as dissolved organic matter by marine phytoplankton. — Mar. Biol. 28: 305–310.
- Fogg, G. E., Nalewajko, C. & Watt, W. D., 1965: Extracellular products of phytoplankton photosynthesis. — Proc. Roy. Soc. London B. Bio. Sci. 162: 517–534.
- Hough, R. A. & Wetzel, R. G., 1975: The release of dissolved organic carbon from submersed aquatic macrophytes: Diel, seasonal, and community relationships. — Verh. Internat. Verein. Limnol. 19: 939–948.
- McKinley, K. R., Ward, A. K. & Wetzel, R. G., 1977: A method for obtaining more precise measures of excreted organic carbon. — Limnol. Oceanogr. 22: 570–573.
- Menzel D. W. & Vaccaro, R. F., 1964: The measurement of dissolved organic and particulate carbon in seawater. — Limnol. Oceanogr. 9: 138–142.
- Schindler, D. W., Schmidt, R. V., & Reid, R. A., 1972: Acidification and bubbling as an alternative to filtration in determining phytoplankton production by the 14C method. — J. Fish. Res. Bd. Canada 29: 1627–1631.
- Sharp, J. H., 1977: Excretion of organic matter by marine phytoplankton: Do healthy cells do it? — Limnol. Oceanogr. 22: 381–399.
- Taft, J. L., 1976: Recovery of 14C-CO2 at high flow rates from a CHN analyzer. — Limnol. Oceanogr. 21: 161–164.
- Theodórsson, P. & Bjarnason, J. Ö., 1975: The acid bubling method for primary productivity measurements modified and tested. — Limnol. Oceanogr. 20: 1018–1019.
- Wetzel, R. G. & Manny, B. A., 1972: Secretion of dissolved organic carbon and nitrogen by aquatic macrophytes. — Verh. Internat. Verein. Limnol. 18: 162–170.
- Wetzel, R. G. & Rich, P. H., 1973: Carbon in freshwater systems. — In: G. M. Woodwell & E. V. Pecan (eds.), Carbon and the Biosphere. Proc. Brookhaven Symp. Biol. 24: 241–263.