@misc{indiciae056a6c9c303d,
  title = {Groundwater use: Equilibrium between social benefits and potential environmental costs},
  author = {M.R. Llamas and W. Back and J. Margat},
  year = {1992},
  doi = {10.1007/pl00010965},
  url = {https://pubs.usgs.gov/publication/70207068},
  note = {Source identifier: 70207068}
}