@misc{indiciaef2a091a8d1b8,
  title = {MISSION OPERATIONS},
  author = {Hayes, W. C. and Hodge, J. D. and Kranz, E. F.},
  year = {1962},
  url = {https://ntrs.nasa.gov/citations/19620004694},
  note = {Source identifier: 19620004694}
}