Ackermann, Jürgen Robust control : Systems with Uncertain Physical Parameters / Jürgen Ackermann, Andrew Bartlett [et al.]. - Berlin ; New York : Springer-Verlag, 1993. - 406 p. - Communications and control engineering series . Includes bibliogr. references (p. [385]-397) ISBN: 0387198431 Subjects--Topical Terms: Automatic controlFeedback control systems