@misc{indiciae6039c22b0e49,
  title = {Low earth orbit infrastructure to accommodate manned lunar missions},
  author = {Cirillo, William M. and Troutman, Patrick A. and Brender, Karen D. and Dahlstrom, Eric L. and Ayers, J. Kirk and Waters, Laura M.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910043040},
  note = {Source identifier: 19910043040}
}