@article{minx2011developing,
  title = {Developing a pragmatic approach to assess urban metabolism in Europe: A Report to the European Environment Agency}
  author = {Minx, J. C.; Creutzig, F.; Medinger, V.; Ziegler, T.},
  journal = {Factor X: Challenges, Implementation Strategies and Examples for a Sustainable Use of Natural Resources},
  url = {https://opus4.kobv.de/opus4-hsog/frontdoor/index/index/docId/1909},
  year = {2011}
}