@article{ref1,
title="Timing of the appearance of habitual fire use",
journal="Proceedings of the National Academy of Sciences of the United States of America",
year="2011",
author="Sandgathe, Dennis M. and Dibble, Harold L. and Goldberg, Paul and McPherron, Shannon P. and Turq, Alain and Niven, Laura and Hodgkins, Jamie",
volume="108",
number="29",
pages="E298; author reply E299-E298; author reply E299",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0027-8424",
doi="10.1073/pnas.1106759108",
url="http://dx.doi.org/10.1073/pnas.1106759108"
}