@misc{indiciaeb83f7c4714fa,
  title = {Multi-Body Orbit Architectures for Lunar South Pole Coverage},
  author = {Grebow, D. J. and Ozimek, M. T. and Howell, K. C. and Folta, D. C.},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20060012339},
  note = {Source identifier: 20060012339}
}