@misc{indiciaebb205e39de1a,
  title = {Backup flight control system functional evaluator software manual},
  author = {Helmke, C. A. and Hasara, S. H. and Mount, F. E.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770016184},
  note = {Source identifier: 19770016184}
}