@misc{indiciae5ef46ec205c2,
  title = {Extended Duration: The SIRIUS 21 Crew Perspective},
  author = {S. E. Whiting and W. Brown and A. Kowalski and B. J. Caldwell and W. B. Vessey},
  url = {https://ntrs.nasa.gov/citations/20220014379},
  note = {Source identifier: 20220014379}
}