@misc{indiciae23ff7ee186ee,
  title = {L1 libration point manned space habitat},
  author = {Luttges, Marvin and Johnson, Steve and Banks, Gary and Johnson, Richard and Meyer, Christian and Pepin, Scott and Macelroy, Robert},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890010809},
  note = {Source identifier: 19890010809}
}