@misc{indiciae93244423d09b,
  title = {What is a valid basis for superimposition?},
  author = {F F Schudy},
  year = {1999},
  doi = {10.1016/s0889-5406(99)70155-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/10223898/},
  note = {Source identifier: 10223898}
}