@article{browne2012comparison,
  title = {Comparison of energy flow accounting, energy flow metabolism ratio analysis and ecological footprinting as tools for measuring urban sustainability: A case-study of an Irish city-region}
  author = {Browne, David and O'Regan, Bernadette and Moles, Richard},
  journal = {Ecological Economics},
  doi = {10.1016/j.ecolecon.2012.08.006},
  year = {2012}
}