@misc{indiciae275a88253290,
  title = {Spatial and temporal study of nitrate concentration in groundwater by means of coregionalization},
  author = {V. D’Agostino and E.A. Greene and G. Passarella and M. Vurro},
  year = {1998},
  doi = {10.1007/s002540050344},
  url = {https://pubs.usgs.gov/publication/70020296},
  note = {Source identifier: 70020296}
}