@misc{indiciae5536608ef772,
  title = {Apparatus for testing the permeability of samples in unconsolidated sediments, revision of earlier report by V. C. Fishel and V. T. Springfield},
  author = {R.W. Stallman},
  year = {1952},
  doi = {10.3133/ofr52142},
  url = {https://pubs.usgs.gov/publication/ofr52142},
  note = {Source identifier: ofr52142}
}