@misc{indiciaeb187d6e6aced,
  title = {EARTH ORBITING SPACE STATIONS- CONFIGURATIONS AND DESIGN CONSIDERATIONS},
  author = {Berglund, R. A. and Maynard, D. E.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630017270},
  note = {Source identifier: 19630017270}
}