BibTex format
@article{Sephton:2015:10.1130/G36227.1,
author = {Sephton, MA and Jiao, D and Engel, MH and Looy, CV and Visscher, H},
doi = {10.1130/G36227.1},
journal = {Geology},
pages = {159--162},
title = {Terrestrial acidification during the end-Permian biosphere crisis?},
url = {http://dx.doi.org/10.1130/G36227.1},
volume = {43},
year = {2015}
}