@misc{indiciae19606d06c2ca,
  title = {Chemical constraints of groundwater management in the Yucatan peninsula, Mexico},
  author = {W. Back and J.M. Lesser},
  year = {1981},
  doi = {10.1016/0022-1694(81)90121-9},
  url = {https://pubs.usgs.gov/publication/70012124},
  note = {Source identifier: 70012124}
}