@misc{indiciae71118480c6ad,
  title = {Long range space program planning},
  author = {Cutler, M. M. and Jamison, J. P. and Mc Adams, H. H. and Mc Kune, W. J. and Volonte, J. E. and Witze, C. P.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19790073754},
  note = {Source identifier: 19790073754}
}