@misc{indiciaeca02d44d3aba,
  title = {Skylab simulator visual displays and training for joint observing programs},
  author = {Holt, A. C. and Da Silva, A. J.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770046416},
  note = {Source identifier: 19770046416}
}