1. Balasubramanian, R.: 1979,Indian J. Biochem. Biophys., (in press).
2. Balasubramanian, R. and Seetharamulu, P.: 1979a,Indian J. Biochem. Biophys. 16, 121.
3. Balasubramanian, R. and Seetharamulu, P.: 1979b,Speculations in Science and Technology,2, 375.
4. Balasubramanian, R., Seetharamulu, P., and Raghunathan, G.: 1980,Origins of Life (in press)
5. Baltimore, D.: 1970,Nature,226, 1209.