@misc{indiciae05bfab6802ea,
  title = {[A beta-gamma ionization chamber].},
  author = {J J ENGELMANN and B GRINBERG},
  year = {1959},
  doi = {10.1016/0020-708x(59)90353-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/13640748/},
  note = {Source identifier: 13640748}
}