@misc{indiciae404d919b6676,
  title = {Optical alignment system Patent},
  author = {Bishop, R. E. and Jackson, K. R. and Kis, G. and Schlesinger, F. W.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19700032639},
  note = {Source identifier: 19700032639}
}