@misc{indiciae7b0ca63dc9ac,
  title = {Space Programs Summary 37-43, Vol. VI, Space Exploration Programs and Space Sciences For the Period November 1 to December 31, 1966},
  author = {Jet Propulsion Laboratory},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670015763},
  note = {Source identifier: 19670015763}
}