@misc{indiciae93efdc603c33,
  title = {Space Station Freedom crew training},
  author = {Bobko, Karol J. and Gibson, Edward G. and Maroney, Susan A. and Muccio, James D.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900026253},
  note = {Source identifier: 19900026253}
}