@misc{indiciaee9a67747137c,
  title = {Photosensitive device to detect bearing deviation Patent},
  author = {Acord, J. D. and Meisenholder, G. W. and Schmidt, L. F. and Vivian, H. C.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19700025773},
  note = {Source identifier: 19700025773}
}