@misc{indiciae22c173b77a5e,
  title = {Derivation of sequential, real-time, process-control programs},
  author = {Marzullo, Keith and Schneider, Fred B. and Budhiraja, Navin},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910018471},
  note = {Source identifier: 19910018471}
}