@article{kalmykova2015urban,
  title = {Urban Economies Resource Productivity and Decoupling: Metabolism Trends of 1996--2011 in Sweden, Stockholm, and Gothenburg}
  author = {Kalmykova, Yuliya and Rosado, Leonardo and Patrício, João},
  journal = {Environmental Science & Technology},
  doi = {10.1021/acs.est.5b01431},
  year = {2015}
}