@misc{indiciaee9434dd9afda,
  title = {Optimization-based design of control systems for flexible structures},
  author = {Polak, E. and Baker, T. E. and Wuu, T-L. and Harn, Y-P.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890004100},
  note = {Source identifier: 19890004100}
}