@article{cui2018how,
  title = {How can cities support sustainability: A bibliometric analysis of urban metabolism}
  author = {Cui, Xuezhu},
  journal = {Ecological Indicators},
  url = {http://www.sciencedirect.com/science/article/pii/S1470160X18303972},
  doi = {10.1016/j.ecolind.2018.05.056},
  year = {2018}
}