@misc{indiciae4a75a4c3ee2e,
  title = {A low-priced electromagnet.},
  author = {I H KATZ},
  year = {1950},
  doi = {10.1016/0002-9394(50)91009-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/15432576/},
  note = {Source identifier: 15432576}
}