@misc{indiciae0d2d649adcc8,
  title = {TOPS spacecraft and the missions},
  author = {Divita, E. L. and Draper, R. F. and Frewing, H. K. and Stavro, W.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700065679},
  note = {Source identifier: 19700065679}
}