1. [1] Nirenberg, M.; Leder, P.; Bernfield, M.; Brimacombe, R.; Trupin, J.; Rottman, F.; O’Neal, C. RNA codewords and protein synthesis, VII. On the general nature of the RNA code, Proc. Natl Acad. Sci. USA, Volume 53 (1965), pp. 1161-1168
2. [2] Woese, C. R.; Dugre, D. H.; Saxinger, W. C.; Dugre, S. A. The molecular basis of the genetic code, Proc. Natl Acad. Sci. USA., Volume 55 (1966), pp. 966-974
3. [3] Crick, F. H. The origin of the genetic code, J. Mol. Biol., Volume 38 (1968), pp. 367-379
4. [4] Orgel, L. E. Evolution of the genetic apparatus, J. Mol. Biol., Volume 38 (1968), pp. 381-391
5. [5] Davidovich, C.; Belousoff, M.; Wekselman, I.; Shapira, T.; Krupkin, M.; Zimmerman, E.; Bashan, A.; Yonath, A. The proto-ribosome: an ancient nano-machine for peptide bond formation, Isr. J. Chem., Volume 50 (2010), pp. 29-35