@misc{indiciae06ecdc12f794,
  title = {A note on the Xp.},
  author = {J J Hoo},
  year = {1979},
  doi = {10.1007/bf00399401},
  url = {https://pubmed.ncbi.nlm.nih.gov/489019/},
  note = {Source identifier: 489019}
}