@misc{indiciaef3fbc19c8dff,
  title = {In-space operations for lunar and Mars space transfer vehicles},
  author = {Raper, James L., Sr. and Vargo, Rick C.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920066466},
  note = {Source identifier: 19920066466}
}