@misc{indiciae05c13bc62548,
  title = {The Reflotron-system--principles and practical experiences.},
  author = {P U Koller},
  year = {1986},
  doi = {10.3109/03009738609178502},
  url = {https://pubmed.ncbi.nlm.nih.gov/3739074/},
  note = {Source identifier: 3739074}
}