BibTex format
@article{Smith:2020:10.1016/j.envint.2019.105188,
author = {Smith, JD and Barratt, BM and Fuller, GW and Kelly, FJ and Loxham, M and Nicolosi, E and Priestman, M and Tremper, AH and Green, DC},
doi = {10.1016/j.envint.2019.105188},
journal = {Environment International},
pages = {105188--105188},
title = {PM2.5 on the London Underground},
url = {http://dx.doi.org/10.1016/j.envint.2019.105188},
volume = {134},
year = {2020}
}