@misc{indiciaea4b463d6b3d8,
  title = {A Retro-Fit Control Architecture to Maintain Engine Performance With Usage},
  author = {Litt, Jonathan S. and Sowers, T. Shane and Garg, Sanjay},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20070032926},
  note = {Source identifier: 20070032926}
}