@article{Calabough88,
  title = {Software Configuration - An NP-Complete Problem},
  author = {Jerry Calabough},
  year = {1988},
  tags = {completeness},
  researchr = {https://researchr.org/publication/Calabough88},
  cites = {0},
  citedby = {0},
  journal = {DATA BASE},
  volume = {19},
  number = {2},
  pages = {29-34},
}