BibTex format
@article{Li:2013:10.1016/j.aap.2013.08.003,
author = {Li, H and Graham, DJ and Majumdar, A},
doi = {10.1016/j.aap.2013.08.003},
journal = {ACCIDENT ANALYSIS AND PREVENTION},
pages = {148--157},
title = {The impacts of speed cameras on road accidents: An application of propensity score matching methods},
url = {http://dx.doi.org/10.1016/j.aap.2013.08.003},
volume = {60},
year = {2013}
}