@misc{indiciae78df1850fe2f,
  title = {Indexing artefacts using a tertiary collimator and a method to avoid them.},
  author = {P Cooper and R I MacKay and P C Williams},
  year = {2002},
  doi = {10.1088/0031-9155/47/13/402},
  url = {https://pubmed.ncbi.nlm.nih.gov/12164593/},
  note = {Source identifier: 12164593}
}