Nesbø, C. L., & Doolittle, W. F. (2003). Active self-splicing group I introns in 23S rRNA genes of hyperthermophilic bacteria, derived from introns in eukaryotic organelles. National Academy of Sciences.

Nesbø, Camilla L., und W. Ford Doolittle. Active Self-splicing Group I Introns in 23S RRNA Genes of Hyperthermophilic Bacteria, Derived From Introns in Eukaryotic Organelles. National Academy of Sciences, 2003.

Nesbø, Camilla L., und W. Ford Doolittle. Active Self-splicing Group I Introns in 23S RRNA Genes of Hyperthermophilic Bacteria, Derived From Introns in Eukaryotic Organelles. National Academy of Sciences, 2003.