@misc{indiciaec5a48a1ba6c8,
  title = {[A newly developed ventilator driven by a microprocessor (author's transl)].},
  author = {K Heller and W Heinrichs},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/291354/},
  note = {Source identifier: 291354}
}