@misc{indiciae500c0f1f58a9,
  title = {Standing waves inside the heart.},
  author = {P Lewi and W Schaper},
  year = {1966},
  doi = {10.1038/211985a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5968318/},
  note = {Source identifier: 5968318}
}