@misc{indiciae4e4181a920be,
  title = {In the soft-to-hard technical spectrum: Where is software engineering?},
  author = {Leibfried, Theodore F. and Macdonald, Robert B.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920011322},
  note = {Source identifier: 19920011322}
}