@inbook{Zahnle_2007,
title={Emergence of a Habitable Planet},
ISBN={9780387742885},
ISSN={1385-7525},
url={http://dx.doi.org/10.1007/978-0-387-74288-5_3},
DOI={10.1007/978-0-387-74288-5_3},
booktitle={Geology and Habitability of Terrestrial Planets},
publisher={Springer New York},
author={Zahnle,
Kevin and Arndt,
Nick and Cockell,
Charles and Halliday,
Alex and Nisbet,
Euan and Selsis,
Franck and Sleep,
Norman H.},
year={2007},
pages={35–78} }