@misc{indiciaede15776efc9b,
  title = {A semi-automatic solid state densitometer.},
  author = {S C Klevenhagen and R G Putney},
  year = {1974},
  doi = {10.1088/0031-9155/19/4/015},
  url = {https://pubmed.ncbi.nlm.nih.gov/4445228/},
  note = {Source identifier: 4445228}
}