@article{mayer2019measuring,
  title = {Measuring Progress towards a Circular Economy: A Monitoring Framework for Economy-wide Material Loop Closing in the EU28}
  author = {Mayer, Andreas; Haas, Willi; Wiedenhofer, Dominik; Krausmann, Fridolin; Nuss, Philip; Blengini, Gian Andrea},
  journal = {Journal of Industrial Ecology},
  url = {https://onlinelibrary.wiley.com/doi/abs/10.1111/jiec.12809},
  doi = {10.1111/jiec.12809},
  year = {2019}
}