BibTex format
@article{Sephton:2015:10.1016/j.pss.2015.04.002,
author = {Sephton, MA and Carter, JN},
doi = {10.1016/j.pss.2015.04.002},
journal = {PLANETARY AND SPACE SCIENCE},
pages = {15--22},
title = {The chances of detecting life on Mars},
url = {http://dx.doi.org/10.1016/j.pss.2015.04.002},
volume = {112},
year = {2015}
}