@misc{indiciae51f097dec58c,
  title = {Conceptual design of an on-board optical processor with components},
  author = {Walsh, J. R. and Shackelford, R. G.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770015225},
  note = {Source identifier: 19770015225}
}