@misc{indiciae1dc659c32e4e,
  title = {Variation in torque production with frequency using medium frequency alternating current.},
  author = {A R Ward and V J Robertson},
  year = {1998},
  doi = {10.1016/s0003-9993(98)90234-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/9821900/},
  note = {Source identifier: 9821900}
}