@misc{indiciae7c14704b5805,
  title = {An on-off control system for a rotating manned spacecraft},
  author = {Kurzhals, P. R. and Shearin, J. G.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19650009684},
  note = {Source identifier: 19650009684}
}