@misc{indiciae6df6d8bb690b,
  title = {A STUDY OF THE OPTICAL SYSTEM FOR A MARS PROBE},
  author = {Baker, J. G. and De Vaucoulours, G.},
  year = {1961},
  url = {https://ntrs.nasa.gov/citations/19630041963},
  note = {Source identifier: 19630041963}
}