@misc{indiciaeefec40e30d93,
  title = {Pattern centre.},
  author = {H Festen and A Clemens},
  year = {1970},
  doi = {10.1159/000385373},
  url = {https://pubmed.ncbi.nlm.nih.gov/5310259/},
  note = {Source identifier: 5310259}
}