Theobald, Douglas L. (2010). «A formal test of the theory of universal common ancestry». Nature. 465 (7295): 219-222. ISSN0028-0836. doi:10.1038/nature09014
Theobald, Douglas L. (2010). «A formal test of the theory of universal common ancestry». Nature. 465 (7295): 219-222. ISSN0028-0836. doi:10.1038/nature09014