@misc{indiciae8144690c8c78,
  title = {A dynamic systems engineering methodology research study. Phase 2: Evaluating methodologies, tools, and techniques for applicability to NASA's systems projects},
  author = {Paul, Arthur S. and Gill, Tepper L. and Maclin, Arlene P.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900005669},
  note = {Source identifier: 19900005669}
}