@misc{indiciae8e23aaf8fcc2,
  title = {Overview of Space Station Freedom program environments},
  author = {Avans, Sherman and Weeks, David and Brewer, Dana and Camp, Dennis},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930039395},
  note = {Source identifier: 19930039395}
}