@misc{indiciaec69c8a67e749,
  title = {Problems of intergroup behavior in human spaceflight operations.},
  author = {L W Penwell},
  doi = {10.2514/3.26166},
  url = {https://pubmed.ncbi.nlm.nih.gov/11537617/},
  note = {Source identifier: 11537617}
}