@misc{indiciae124396577da9,
  title = {Proton microbeam analysis in air.},
  author = {J A Cookson and F D Pilling},
  year = {1976},
  doi = {10.1088/0031-9155/21/6/007},
  url = {https://pubmed.ncbi.nlm.nih.gov/1019235/},
  note = {Source identifier: 1019235}
}