1. Variations in the 13C/12C ratios of plants in relation to the pathway of photosynthetic carbon dioxide fixation;Bender;Phytochemistry,1971
2. Berry, J. A., and G. D. Farquhar. 1978. The CO2 Concentrating Function of C4 Photosynthesis: a Biochemical Model, pp. 119–131. In D. Hall, J. Coombs, and T. Goodwin, (eds.), Proceedings 4th International Congress Photosynthesis. Biochemical Society, London.
3. Carbon-13 in plants and the relationship between carbon-13 and carbon-14 variations in nature;Craig;J. Geol.,1954
4. Metabolic fractionation of carbon isotopes in marine plankton. I. Temperature and respiration experiments;Degens;Deep Sea Res.,1968
5. Carbon isotope fractionation during the precipitation of calcium carbonate;Emrich;Earth Planet. Sci. Lett.,1970