1. Matter, life, intellect;Oparin,1977
2. The origins of life;Ponnamperuma,1972
3. The origin of life;Bernal,1967
4. The origin of life in a cosmic context;Sagan;Orig. Life,1974
5. Possible way of abiogenic synthesis of 5′-nucleotides from ribose-5′-phosphate and bases of nucleic acids;Simakov;Zh. Evol. Biochim. physiol.,1992