@misc{indiciaef331c6a667fc,
  title = {SDDL: Software Design Documentation Language},
  author = {Kleine, H. and Callender, D. E. and Zepko, T. M.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19840000208},
  note = {Source identifier: 19840000208}
}