1. Baily, G. W., White, J. L., and Rothberg, T.: 1968,Proc. Soil Sci. Amer. 32, 222.
2. Banin, A., Lawless, J. G., Mazzurco, J., Church, F. M., Margulies, L., and Orenberg, J.: 1985,Origins of Life, 89.
3. Bernal, J. D.: 1949,Proc. Roy Soc. 62A, 537.
4. Dawson, R. M. C., Elliott, D. C., Elliott, W. H., and Jones, K. M.: 1969, ‘Data for Biochemical Research’, 2nd Edition, Oxford University Press, Oxford, U.K.
5. Ferris, J. P., Ertem, G., Kamaluddin, Agarwal, V., Hua, L.L., and Kebbekue, P.: 1988 ‘Report of Special Research Project on Evolution of Matter’, Tsukba University, Tsukuba Japon, pp. 1010.