@misc{indiciaeb6d68b0cfbde,
  title = {[Principles of processing electric heart action potentials in automatic ECG-analysis using digital computers].},
  author = {H Riedl},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5171680/},
  note = {Source identifier: 5171680}
}