@misc{indiciae078dc5503c48,
  title = {Difficulties of orbitonometry.},
  author = {H C VIERHOUT},
  year = {1953},
  doi = {10.1159/000301492},
  url = {https://pubmed.ncbi.nlm.nih.gov/13111763/},
  note = {Source identifier: 13111763}
}