@misc{indiciae01d3c8e96cb0,
  title = {Denitrification in a sand and gravel aquifer},
  author = {R. L. Smith and J.H. Duff},
  year = {1988},
  doi = {10.1128/aem.54.5.1071-1078.1988},
  url = {https://pubs.usgs.gov/publication/70185907},
  note = {Source identifier: 70185907}
}