@misc{indiciaee3e313c34b9d,
  title = {Verification and Validation in a Rapid Software Development Process},
  author = {Callahan, John R. and Easterbrook, Steve M.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/19990025807},
  note = {Source identifier: 19990025807}
}