@article{cespedes2018urban,
  title = {Urban metabolism and sustainability: Precedents, genesis and research perspectives}
  author = {Céspedes Restrepo, Juan D.; Morales-Pinzón, Tito},
  journal = {Resources, Conservation and Recycling},
  url = {http://www.sciencedirect.com/science/article/pii/S0921344917304615},
  doi = {10.1016/j.resconrec.2017.12.023},
  year = {2018}
}