@misc{indiciaec0282fc6557d,
  title = {Semantic definitions of spacecraft command and control languages using hierarchical graphs},
  author = {Zaghloul, M. E. and Truszkowski, W.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830034899},
  note = {Source identifier: 19830034899}
}