@misc{indiciae0a6b10fb286f,
  title = {Gaddum revisited.},
  author = {R B Barlow},
  year = {1993},
  doi = {10.1016/0165-6147(93)90046-m},
  url = {https://pubmed.ncbi.nlm.nih.gov/8249147/},
  note = {Source identifier: 8249147}
}