@misc{indiciae076d685fa4d3,
  title = {Aquifer/aquitard interfaces: Mixing zones that enhance biogeochemical reactions},
  author = {P.B. McMahon},
  year = {2001},
  doi = {10.1007/s100400000109},
  url = {https://pubs.usgs.gov/publication/70022800},
  note = {Source identifier: 70022800}
}