BibTex format
@article{Singh:2019:10.1177/0361198119848415,
author = {Singh, R and Graham, DJ and Anderson, RJ},
doi = {10.1177/0361198119848415},
journal = {Transportation Research Record},
pages = {516--528},
title = {Characterizing journey time performance on urban metro systems under varying operating conditions},
url = {http://dx.doi.org/10.1177/0361198119848415},
volume = {2673},
year = {2019}
}