@article{CRBIOL_2020__343_4_15_0, author = {Bernard Dujon}, title = {On the origin of the genetic code: a 27-codon hypothetical precursor of an intricate 64-codon intermediate shaped the modern code}, journal = {Comptes Rendus. Biologies}, pages = {15--52}, publisher = {Acad\'emie des sciences, Paris}, volume = {343}, number = {4}, year = {2020}, doi = {10.5802/crbiol.47}, language = {en}, }