@misc{indiciaef0a932b39a53,
  title = {Preliminary design for a ruggedized imaging system Final engineering report, 9 Jan. - 11 Aug. 1967},
  author = {Harmon, A. A.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680009851},
  note = {Source identifier: 19680009851}
}