@article{nielsen2015sustainability,
  title = {Sustainability analysis of a society based on exergy studies – a case study of the island of Samsø (Denmark)}
  author = {Nielsen, Søren Nors and Jørgensen, Sven Erik},
  journal = {Journal of Cleaner Production},
  url = {http://www.sciencedirect.com/science/article/pii/S0959652614008580},
  year = {2015}
}