@misc{indiciae12ed56214122,
  title = {Porosity and bulk density, dry and saturated, of sedimentary rocks},
  author = {G. Edward Manger},
  year = {1967},
  doi = {10.3133/tei820},
  url = {https://pubs.usgs.gov/publication/tei820},
  note = {Source identifier: tei820}
}