1. On the Origin of Species by Natural Selection;Darwin,1859
2. The Origins of Life – From the Birth of Life to the Origins of Language;Maynard-Smith,2000
3. T. Cavalier-Smith, M. Brasier, T.M. Embley (Eds.), Phil. Trans. Roy. Soc. B 361 (2006) pp. 843--1083.
4. The universal ancestor
5. The Chemistry of Evolution;Williams,2006