@misc{indiciae2d1bc8a4d9e0,
  title = {The use of programmable logic controllers (PLC) for rocket engine component testing},
  author = {Nail, William and Scheuermann, Patrick and Witcher, Kern},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910057147},
  note = {Source identifier: 19910057147}
}