@article{haberl2004progress,
  title = {Progress towards sustainability? What the conceptual framework of material and energy flow accounting (MEFA) can offer}
  author = {Haberl, Helmut, Marina Fischer-Kowalski, Fridolin Krausmann, Helga Weisz, Verena Winiwarter},
  journal = {Land Use Policy},
  doi = {10.1016/j.landusepol.2003.10.013},
  year = {2004}
}