@misc{indiciae50f372a1c8ba,
  title = {On the estimation algorithm used in adaptive performance optimization of turbofan engines},
  author = {Espana, Martin D. and Gilyard, Glenn B.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940017406},
  note = {Source identifier: 19940017406}
}