@misc{indiciaeab73a17bbce1,
  title = {Design of multivariable feedback control systems via spectral assignment},
  author = {Liberty, S. R. and Mielke, R. R. and Tung, L. J.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810013334},
  note = {Source identifier: 19810013334}
}