@misc{indiciae34af15908355,
  title = {Modular space station phase B extension preliminary system design. Volume 5: configuration analyses},
  author = {Stefan, A. J. and Goble, G. J.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720016254},
  note = {Source identifier: 19720016254}
}