@misc{indiciae95d57b1d0b94,
  title = {In-space operations for lunar and Mars space transfer vehicles},
  author = {Raper, James L., Sr. and Vargo, Rick C.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940007096},
  note = {Source identifier: 19940007096}
}