@article{tomohiro2006analysis,
  title = {Analysis of water demand and water pollutant discharge using a regional input-output table: An application to the City of Chongqing, upstream of the Three Gorges Dam in China}
  author = {Tomohiro Okadera and Masataka Watanabe and Kaiqin Xu},
  journal = {Ecological Economics},
  doi = {10.1016/j.ecolecon.2005.07.005},
  year = {2006}
}