@misc{indiciae443f3220b7be,
  title = {Conversion from Tree to Graph Representation of Requirements},
  author = {Mayank, Vimal and Everett, David Frank and Shmunis, Natalya and Austin, Mark},
  year = {2009},
  url = {https://ntrs.nasa.gov/citations/20090016100},
  note = {Source identifier: 20090016100}
}