@misc{indiciae3f0eefb08552,
  title = {Analysis of nitrate in near-surface aquifers in the midcontinental United States: An application of the inverse hyperbolic sine Tobit model},
  author = {Steven T. Yen and Shiping Liu and Dana W. Kolpin},
  year = {1996},
  doi = {10.1029/96wr02102},
  url = {https://pubs.usgs.gov/publication/70018204},
  note = {Source identifier: 70018204}
}