@misc{indiciae0add0b80237d,
  title = {Formal Verification Toolkit for Requirements and Early Design Stages},
  author = {Badger, Julia M. and Miller, Sheena Judson},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20110024048},
  note = {Source identifier: 20110024048}
}