@misc{indiciaec2fb264f49de,
  title = {[Spirographic apparatus].},
  author = {J J JARRY and E BALGAIRIES and E QUINOT and J CARBONNEL},
  year = {1953},
  url = {https://pubmed.ncbi.nlm.nih.gov/13061734/},
  note = {Source identifier: 13061734}
}