@misc{indiciae0140f3f5e220,
  title = {An Airborne Pulse Counter and Serial Encoder},
  author = {Fennel, J. W., Jr. and Fitz, J. F. and Moore, M. L. and Stattel, R. J.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680012954},
  note = {Source identifier: 19680012954}
}