Origin of most primitive mRNAs and genetic codes via interactions between primitive tRNA ribozymes
Genome informatics. International Conference on Genome Informatics (2002) - Comment
pubmed: 14571376  issn: 0919-9454 

Koji Ohnishi, Shouken Hokari, Hiroshi Shutou, Madoka Ohshima, Naotaka Furuichi, Masaki Goda