TY - RPRT TI - Design of multivariable feedback control systems via spectral assignment using reduced-order models and reduced-order observers AU - Mielke, R. R. AU - Tung, L. J. AU - Carraway, P. I., III PY - 1985 UR - https://ntrs.nasa.gov/citations/19850015489 ID - 19850015489 ER -