1. Schönauer S, Clote P. How optimal is the genetic code? In: Frishman D, Mewes HW, editors. Computer Science and Biology Proceedings of the German Conference on Bioinformatics (GCB'97) Sep 21–241997. p. 65–7.
2. The origin of the genetic code;FH Crick;Journal of molecular biology,1968
3. Polynucleotide synthesis and the genetic code;HG Khorana;Cold Spring Harbor symposia on quantitative biology,1966
4. The RNA code and protein synthesis;M Nirenberg;Cold Spring Harbor symposia on quantitative biology,1966
5. Evolving genes and proteins;TM Sonneborn,1965