1. Acevedo, O. L. and Orgel, L. E.: 1987,J. Mol. Biol. 197, 187.
2. Arrhenius, G.: 1984, in C. Wickramasinghe (ed.) Fundamental Studies and the Future of Science, Univ. College Cardiff Press, Cardiff, 301.
3. Arrhenius, G.: 1987, ‘Interaction of hydrous minerals with bio-organic precursor molecules’, NASA Space Life Sciences Symposium: Three Decades of Life Science Research in Space, Washington. D. C, June 21–26, 1987; NASA Office of Space Science and Applications, Washington, D. C.
4. Bernal, J. D.: 1951, The physical basis of life, Routhledge and Kegan Paul, London.
5. Berner, R. A.: 1971, Principles of Chemical Sedimentology, McGraw-Hill, New York, 240p.