@misc{indiciaeb3ffc66c645a,
  title = {Lunar module alightment system},
  author = {Hilderman, R. A. and Mantus, M. and Mueller, W. H.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700058006},
  note = {Source identifier: 19700058006}
}