@misc{indiciae9d485d86106b,
  title = {Operational RNA code for amino acids in relation to genetic code in evolution.},
  author = {L Ribas de Pouplana and P Schimmel},
  year = {2001},
  doi = {10.1074/jbc.r000032200},
  url = {https://pubmed.ncbi.nlm.nih.gov/11238440/},
  note = {Source identifier: 11238440}
}