@misc{indiciaecaec563970f5,
  title = {Perspectives on occlusion and requirements for validation.},
  author = {Terry C Lansdown and Peter C Burns and Andrew M Parkes},
  year = {2004},
  doi = {10.1016/j.apergo.2003.11.013},
  url = {https://pubmed.ncbi.nlm.nih.gov/15145285/},
  note = {Source identifier: 15145285}
}