1. Baker DN and Lambert JR (1980) The analysis of crop responses to enhanced atmospheric CO2 levels. U.S. DOE CO2 Effects Res. and Assess Program 009. Workshop on Environ and Societal Consequences of a Possible CO2 — Induced Climate Change, pp. 275–294. Annapolis, MD
2. Black C (1973) Photosynthetic carbon fixation in relation to net CO2 uptake. Ann. Rev. Plant Physiol. 24, 253–286.
3. Bowes G, Holaday AS, and Haller WT (1979) Seasonal variation in the biomass, tuber density, and photosynthetic metabolism in Hydrilla in three Florida lakes. J. Aquat. Plant Manage. 17, 61–65.
4. Chang WH and Tolbert NE (1970) Excretion of glycolate, mesotartrate and isocitrate lactone by synchronized cultures of Ankistrodesmus braunii. Plant Physiol. 46, 377–385.
5. Downton WJS, Bjorkman O and Pike CS (1980) Consequences of increased atmospheric concentrations of CO2 for growth and photosynthesis of higher plants. in Pearman GI, ed. Carbon dioxide and climate; Australian research, pp 143–151. Aust. Acad. Sci. Canberra.