BibTex format
@article{Graham:2019:10.1016/j.ecotra.2019.100121,
author = {Graham, D and Gibbons, S},
doi = {10.1016/j.ecotra.2019.100121},
journal = {Economics of Transportation},
title = {Quantifying wider economic impacts of agglomeration for transport appraisal: existing evidence and future directions},
url = {http://dx.doi.org/10.1016/j.ecotra.2019.100121},
volume = {19},
year = {2019}
}