Template:Battistuzzi et al, 2004
- Battistuzzi, F.U., Feijão, A. & Hedges, S.B. 2004. A genomic timescale of prokaryote evolution: insights into the origin of methanogenesis, phototrophy, and the colonization of land. BMC Evol. Biol 4: 44. DOI: 10.1186/1471-2148-4-44
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