@misc{indiciae99176e528206,
  title = {A study of the JPL Mark I ranging subsystem},
  author = {Levine, S. and Shaffer, H. W. and Spafford, M. L. and Tagler, R. T.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19660004934},
  note = {Source identifier: 19660004934}
}