@misc{indiciae18e03e3bf6cc,
  title = {Current techniques with 6-18 mev. electron beam.},
  author = {Tapley N duV and G H Fletcher},
  year = {1969},
  doi = {10.2214/ajr.105.1.172},
  url = {https://pubmed.ncbi.nlm.nih.gov/4975376/},
  note = {Source identifier: 4975376}
}