@article{georg2016mapping,
  title = {Mapping the anthropogenic stock in Germany: Metabolic evidence for a circular economy}
  author = {Georg Schiller and Felix Müller and Regine Ortlepp},
  journal = {Resources, Conservation and Recycling},
  url = {https://www.sciencedirect.com/science/article/pii/S0921344916301999?via%3Dihub},
  doi = {10.1016/j.resconrec.2016.08.007},
  year = {2016}
}