@article{kennedy2002a,
  title = {A comparison of the sustainability of public and private transportation systems: Study of the Greater Toronto Area}
  author = {Kennedy, Christopher A.},
  journal = {Transportation},
  url = {https://doi.org/10.1023/A:1016302913909},
  doi = {10.1023/A:1016302913909},
  year = {2002}
}