@misc{indiciaeb8d978c5de71,
  title = {A simple design for an impossible triangle.},
  author = {J R Brouwer and D C Rubin},
  year = {1979},
  doi = {10.1068/p080349},
  url = {https://pubmed.ncbi.nlm.nih.gov/534162/},
  note = {Source identifier: 534162}
}