@misc{indiciae3fb3ef49bd04,
  title = {ControlShell - A real-time software framework},
  author = {Schneider, Stanley A. and Ullman, Marc A. and Chen, Vincent W.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19930053039},
  note = {Source identifier: 19930053039}
}