@misc{indiciae934354564f5a,
  title = {Space, the new frontier},
  author = {Dean, J. and Gardner, G. and Luchton, B. and Seigel, V. and Umsted, E.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19640023826},
  note = {Source identifier: 19640023826}
}