@misc{indiciaed26f6e3e8be5,
  title = {The Apollo Spacecraft. Volume 1 - A Chronology},
  author = {Ertel, I. D. and Morse, M. L.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690022643},
  note = {Source identifier: 19690022643}
}