1. Barley and its Environment. III. Carbon Budget of the Stand
2. H. Challa (1976 ) An analysis of the diurnal course of growth, carbon dioxide exchange and carbohydrate reserve content of cucumber.Agricultural Research Report 861. Centre for Agrobiological Research, Wageningen.
3. C.J. Fernandez (1977 ) Differences in carbon economy among five grain sorghum cultivars .M.S Thesis, Texas A & M University, College Station, Texas.
4. Utilization of Photosynthates for Growth, Respiration, and Storage in Tops and Roots of Lolium multiflorum