@misc{indiciaed551105f6c27,
  title = {The semiautomatic educational wheel.},
  author = {M JENSEN and S KOSSACK},
  year = {1956},
  doi = {10.1093/ptj/36.2.116},
  url = {https://pubmed.ncbi.nlm.nih.gov/13289331/},
  note = {Source identifier: 13289331}
}