@misc{indiciae1772365b0599,
  title = {Method-dependent values of bulk, grain, and pore volume as related to observed porosity},
  author = {George Edward Manger},
  year = {1966},
  doi = {10.3133/b1203d},
  url = {https://pubs.usgs.gov/publication/b1203D},
  note = {Source identifier: b1203D}
}