@misc{indiciae7e9c5d593f0f,
  title = {Multi-version software reliability through fault-avoidance and fault-tolerance},
  author = {Vouk, Mladen A. and Mcallister, David F.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900016268},
  note = {Source identifier: 19900016268}
}