@misc{indiciaeb09775c38adc,
  title = {Collimated neutron probe for soil water content measurements},
  author = {J.M. Klenke and Alan L. Flint},
  year = {1991},
  doi = {10.2136/sssaj1991.03615995005500040003x},
  url = {https://pubs.usgs.gov/publication/70014905},
  note = {Source identifier: 70014905}
}