Morten E. Allentoft, Matthew Collins, David Harker, James Haile, Charlotte L. Oskam, Marie L. Hale, Paula F. Campos, Jose A. Samaniego, M. Thomas P. Gilbert, Eske Willerslev, Guojie Zhang, R. Paul Scofield, Richard N. Holdaway, Michael Bunce
Proc Biol Sci. 2012 Dec 7; 279(1748): 4724–4733. Published online 2012 Oct 10. doi: 10.1098/rspb.2012.1745