@misc{indiciae647c9825b5c0,
  title = {[Roentgen demonstration. 3. Layer exposure technic: tomography, planigraphy, zonography].},
  author = {W Hach},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5185357/},
  note = {Source identifier: 5185357}
}