@article{ramaswami2012carbon,
  title = {Carbon footprinting of cities and implications for analysis of urban material and energy flows.}
  author = {Ramaswami, A.; Chavez, A.; Chertow, M.},
  journal = {Factor X: Challenges, Implementation Strategies and Examples for a Sustainable Use of Natural Resources},
  url = {https://www.cabdirect.org/cabdirect/abstract/20133033397},
  year = {2012}
}