@misc{indiciaea1a68ec4f119,
  title = {A water resources threshold and its implications for food security.},
  author = {Hong Yang and Peter Reichert and Karim C Abbaspour and Alexander J B Zehnder},
  year = {2003},
  doi = {10.1021/es0263689},
  url = {https://pubmed.ncbi.nlm.nih.gov/12901649/},
  note = {Source identifier: 12901649}
}