@misc{indiciae540ddc06f43b,
  title = {Developing a Fleet Standardization Index for Airline Planning},
  author = {deBorgesPan, Alexis George and EspiritoSanto, Respicio A., Jr.},
  year = {2003},
  url = {https://ntrs.nasa.gov/citations/20050147596},
  note = {Source identifier: 20050147596}
}