@misc{indiciae8a654dec581a,
  title = {Bubbles may be deceiving.},
  author = {R M Hedley and T K Ooi},
  year = {1991},
  doi = {10.1111/j.1365-2044.1991.tb09630.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1952024/},
  note = {Source identifier: 1952024}
}