Briggs, L. J. & Shantz, H. L. (1913). Water requirements of plants. II. A review of literature. US Department of Agriculture. Plant Industries Bulletin 285, 1–9.
Briggs, L. J. & Shantz, H. L. (1914). Relative water requirement of plants. Journal of Agricultural Research 3, 1–63.
de Wit, C. T. (1958). Transpiration and crop yields. Verslagen Land Boursk. Onderzoek 64.6. Wageningen, The Netherlands: Institute of Biological and Chemical Research on Field Crops and Herbage.
Downes, R. W. (1969). Differences in transpiration rates between tropical and temperate grasses under controlled conditions. Planta 88, 261–273.
Farquhar, G. D. & Richards, R. A. (1984). Isotopic composition of plant carbon correlates with water-use efficiency of wheat genotypes. Australian Journal of Plant Physiology 11, 539–552.
Farquhar, G. D., Ehleringer, J. R. & Hubick, K. T. (1989). Carbon isotope discrimination and photosynthesis. Annual Review of Plant Physiology and Molecular Biology 40, 503–537.
Fischer, R. A. & Turner, N. C. (1978). Plant productivity in the arid and semiarid zones. Annual Review of Plant Physiology 29, 277–317.
Gibbons, R. W. (1980). The ICRISAT Groundnut Program. In Proceedings of the International Workshop on Groundnut, pp. 12–16. Patancheru, India: International Crop Research Institute for the Semi-Arid Tropics (ICRISAT).
Hubick, K. T. & Farquhar, G. D. (1987). Carbon isotope discrimination – selecting for water use efficiency. Australian Cotton Grower, 8, 66–68.
Hubick, K. T., Farquhar, G. D. & Shorter, R. (1986). Correlation between water-use efficiency and carbon isotope discrimination in diverse peanut (Arachis) germplasm. Australian Journal of Plant Physiology 13, 803–816.
Jones, H. G. (1983). Plants and Microclimate: A Quantitative Approach to Environmental Plant Physiology. Cambridge: Cambridge University Press.
Ketring, D. L. (1984). Root diversity among peanut genotypes. Crop Science 24, 229–232.
Martin, B. & Thorstenson, Y. R. (1988). Stable carbon isotope composition (δ13C), water use efficiency, and biomass productivity of Lycopersicon esculentum, Lycopersicon pennellii and the F1 hybrid. Plant Physiology 88, 213–217.
Nageswara Rao, R. C., Williams, J. H., Wadia, K. D. R., Hubick, K. T. & Farquhar, G. D. (1993). Crop growth, water-use efficiency and carbon isotope discrimination in groundnut (Arachis hypogaea L) genotypes under end of season drought conditions. Annals of Applied Biology 122, 357–367.
Ravishankar, H. M. (1988). Water use efficiency (WUE) and gas exchange characteristics in selected C3 and C4 species – an assessment under similar water-limited conditions. MSc thesis, University of Agricultural Sciences Bangalore.
Ritchie, J. T. (1973). Influence of soil water status and meteorological conditions on evaporation from a corn canopy. Agronomy Journal 65, 893–897.
Shashikumar, M. R. (1983). Field WUE in genotypes of cowpea. MSc thesis, University of Agricultural Sciences, Bangalore.
Tanner, C. B. & Sinclair, T. R. (1983). Efficient water use crop in production: research or research. In Limitations to Efficient Water Use in Crop Production (Eds Taylor, H. M., Jordan, W. R. & Sinclair, T. R.), pp. 1–27. Madison, USA: American Society of Agronomy.
Teare, I. D., Kanemasu, E. T., Powers, W. L. & Jacobs, H. S. (1973). Water-use efficiency and its relation to crop canopy area, stomatal regulation, and root distribution. Agronomy Journal 65, 207–211.
Turner, N. C. (1986). Crop water deficits: a decade of progress. Advances in Agronomy 39, 1–51.
Uma, S. (1987). Transpiration quotient (TQ) and water use efficiency in different C3 and C4 species and its relationship with biomass and productivity under moisture stress conditions. MSc thesis, University of Agricultural Sciences, Bangalore.
Wright, G. C, Hubick, K. T. & Farquhar, G. D. (1988). Discrimination in carbon isotopes of leaves correlates with water-use efficiency of field-grown peanut cultivars. Australian Journal of Plant Physiology 15, 815–825.
Wright, G. C, Nageswara Rao, R. C. & Farquhar, G. D. (1994). Water-use efficiency and carbon isotope discrimination in peanut under water deficit conditions. Crop Science 34, 92–97.