@misc{indiciaece6fb2cef255,
  title = {Wittgenstein.},
  author = {P Fischer and B Küfferle and P Berner},
  year = {1991},
  doi = {10.1038/353598d0},
  url = {https://pubmed.ncbi.nlm.nih.gov/1922380/},
  note = {Source identifier: 1922380}
}