@article{geneticcodefourcodonandnonfourcodon,
  title = {Genetic Code: Four-Codon and Non-Four-Codon Degeneracy},
  author = {Miloje M. Rakocevic},
  year = {2008},
  eprint = {0802.1056},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/0802.1056v2},
}