@misc{indiciae404960de860a,
  title = {Flight test experience with an adaptive control system using a maximum likelihood parameter estimation technique},
  author = {Hartmann, G. and Stein, G. and Powers, B.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790061344},
  note = {Source identifier: 19790061344}
}