@misc{indiciae25d0a8bf0bf8,
  title = {A prototype spool valve for use in hydraulically powered arm prostheses.},
  author = {D R Broome and W R Gilham},
  year = {1972},
  doi = {10.1007/bf02477392},
  url = {https://pubmed.ncbi.nlm.nih.gov/4636047/},
  note = {Source identifier: 4636047}
}