1. Feedback between stationary stochastic processes;Caines;IEEE Trans,1975
2. Estimation, identification and feedback;Caines,1976
3. Identification of linear, multivariable process dynamics using closed loop experiments;Gustavsson,1974
4. Identification of linear, multivariable systems operating under linear feedback control;Ljung;IEEE Trans,1974
5. Identifiability conditions for linear systems operating in closed loop;Söderström;Int. J. Control,1975