@article{lee2017water-energy,
  title = {Water-energy nexus for urban water systems: A comparative review on energy intensity and environmental impacts in relation to global water risks}
  author = {Lee, Mengshan; Keller, Arturo A.; Chiang, Pen-Chi; Den, Walter; Wang, Hongtao; Hou, Chia-Hung; Wu, Jiang; Wang, Xin; Yan, Jinyue},
  journal = {Applied Energy},
  url = {http://www.sciencedirect.com/science/article/pii/S0306261917310176},
  doi = {10.1016/j.apenergy.2017.08.002},
  year = {2017}
}