@misc{indiciaefd5b6e7702f0,
  title = {Unstable equilibrium behaviour in collapsible tubes.},
  author = {C D Bertram},
  year = {1986},
  doi = {10.1016/0021-9290(86)90109-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/2936743/},
  note = {Source identifier: 2936743}
}