@article{nielsen2015sustainability,
  title = {Sustainability Analysis of a Society Based on Exergy Studies: A Case Study of the Island of Samsø (Denmark)}
  author = {Nielsen, S. N; Jørgensen, S. E.},
  journal = {Journal of Cleaner Production},
  url = {https://www.sciencedirect.com/science/article/pii/S0959652614008580},
  year = {2015}
}