@article{sundkvist1999energy,
  title = {Energy flow analysis as a tool for developing a sustainable society—a case study of a Swedish island}
  author = {Sundkvist, Åsa and Jansson, AnnMari and Enefalk, Åsa and Larsson, Pia},
  journal = {Resources, Conservation and Recycling},
  url = {http://www.sciencedirect.com/science/article/pii/S0921344998000706},
  year = {1999}
}