@misc{indiciae1cc145dc75ba,
  title = {Analog tree-organized multiplexer},
  author = {Crabbe, J. S. and Smith, D. M. and Turner, W. R.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720010511},
  note = {Source identifier: 19720010511}
}