BibTex format
@article{Larsen:2007:10.1016/j.envpol.2006.03.033,
author = {Larsen, RS and Bell, JNB and James, PW and Chimonides, PJ and Rumsey, FJ and Tremper, A and Purvis, OW},
doi = {10.1016/j.envpol.2006.03.033},
journal = {ENVIRONMENTAL POLLUTION},
pages = {332--340},
title = {Lichen and bryophyte distribution on oak in London in relation to air pollution and bark acidity},
url = {http://dx.doi.org/10.1016/j.envpol.2006.03.033},
volume = {146},
year = {2007}
}