@misc{indiciae123d6acc475b,
  title = {A large scale second generation experiment in multi-version software - Description and early results},
  author = {Kelly, John P. J. and Eckhardt, David E., Jr. and Vouk, Mladen A. and Mcallister, David F. and Caglayan, Alper},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890057051},
  note = {Source identifier: 19890057051}
}