@article{wiedmann2009editorial,
  title = {Editorial: Carbon Footprint and Input–Output Analysis – an Introduction}
  author = {Wiedmann, Thomas},
  journal = {Factor X: Challenges, Implementation Strategies and Examples for a Sustainable Use of Natural Resources},
  url = {https://doi.org/10.1080/09535310903541256},
  doi = {10.1080/09535310903541256},
  year = {2009}
}