@misc{indiciaef1ba675e6b22,
  title = {Description and testing of three moisture sensors for measuring surface wetness on carbonate building stones},
  author = {R.B. See and M.M. Reddy and R. G. Martin},
  year = {1988},
  doi = {10.1063/1.1139948},
  url = {https://pubs.usgs.gov/publication/70014368},
  note = {Source identifier: 70014368}
}