@misc{indiciaeef8567ffc49e,
  title = {Xerographic tomography.},
  author = {C G Helander and S Reichmann and K Astrand},
  year = {1977},
  doi = {10.1177/028418517701800314},
  url = {https://pubmed.ncbi.nlm.nih.gov/899861/},
  note = {Source identifier: 899861}
}