@misc{indiciae3ce9d73ca75e,
  title = {Soil mechanics and soil physics symbols and nomenclature useful in hydrologic studies},
  author = {A.I. Johnson},
  year = {1964},
  doi = {10.3133/70094923},
  url = {https://pubs.usgs.gov/publication/70094923},
  note = {Source identifier: 70094923}
}