1. Amruthavalli A, Reddy AR, Das VSR (1989) Photosystem I particles from Sorghum: Isolation and characterisation of chlorophyll-protein complexes under differing growth light regimes. In: Singhal GS, Barber J, Dilley RA, Govindjee, Haselkorn R (eds) Photosynthesis: Molecular biology and bioenergetics. Kluwer Academic (now Springer), Dordrecht, pp 421–431
2. Arnon DI, Das VSR, Anderson JD (1963) Metabolism of photosynthetic bacteria. I. Effect of carbon source and hydrogen gas on biosynthetic patterns in Chromatium. In: Studies on Microalgae and Photosynthetic Bacteria. Japanese Society of Plant Physiology, Plant Cell Physiol Special issue pp 529–545
3. Bhaskar CVS, Das VSR (1987) Low irradiance induced rate limiting steps in the thylakoids of grain Sorghum. Photosynthetica 21:566–571
4. Das VSR (2004) Photosynthesis: regulation under varying light regimes. Science Publishers Enfield, New Hampshire, USA and Plymouth, UK, printed in India. ISBN: 1-57-808-343-5
5. Das VSR, Raghavendra AS (1973) Screening of the dicotyledonous weed flora for the occurrence of C4 dicarboxylic acid pathway of photosynthesis. Proc Indian Acad Sci B 77:93–100