BibTex format
@article{Zhang:2021:10.1007/s11116-020-10152-6,
author = {Zhang, N and Graham, DJ and Hörcher, D and Bansal, P},
doi = {10.1007/s11116-020-10152-6},
journal = {Transportation},
pages = {3269--3300},
title = {A causal inference approach to measure the vulnerability of urban metro systems},
url = {http://dx.doi.org/10.1007/s11116-020-10152-6},
volume = {48},
year = {2021}
}