@article{beck2013on,
  title = {On water security, sustainability, and the water-food-energy-climate nexus}
  author = {Beck, Michael Bruce; Villarroel Walker, Rodrigo},
  journal = {Frontiers of Environmental Science & Engineering},
  url = {https://doi.org/10.1007/s11783-013-0548-6},
  doi = {10.1007/s11783-013-0548-6},
  year = {2013}
}