@article{Gilbert_2005,
title={Assessing ancient DNA studies},
volume={20},
ISSN={0169-5347},
url={http://dx.doi.org/10.1016/j.tree.2005.07.005},
DOI={10.1016/j.tree.2005.07.005},
number={10},
journal={Trends in Ecology & Evolution},
publisher={Elsevier BV},
author={Gilbert,
M. Thomas P. and Bandelt,
Hans-Jürgen and Hofreiter,
Michael and Barnes,
Ian},
year={2005},
month=oct,
pages={541–544} }