BibTex format
@article{Elhajj:2020:10.1016/j.cstp.2020.01.004,
author = {Elhajj, M and Ochieng, WY},
doi = {10.1016/j.cstp.2020.01.004},
journal = {Case Studies on Transport Policy},
pages = {12--21},
title = {Urban bus positioning: Location based services and high level system architecture},
url = {http://dx.doi.org/10.1016/j.cstp.2020.01.004},
volume = {8},
year = {2020}
}