@misc{indiciae41a8dd9e0662,
  title = {Orbital servicing, and remotely manned systems},
  author = {Smith, G. W. and Derocher, W. L., Jr.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19770022823},
  note = {Source identifier: 19770022823}
}