@misc{indiciae155a84bea1a5,
  title = {A hidden leak in the circle system.},
  author = {K Yassin and J J Gibbons},
  year = {1991},
  doi = {10.1213/00000539-199108000-00029},
  url = {https://pubmed.ncbi.nlm.nih.gov/1854044/},
  note = {Source identifier: 1854044}
}