@misc{indiciae1d4a6c1080a2,
  title = {IOPS advisor: Research in progress on knowledge-intensive methods for irregular operations airline scheduling},
  author = {Borse, John E. and Owens, Christopher C.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930009497},
  note = {Source identifier: 19930009497}
}