1. The structure of Robust Observers;Battercharyya;IEEE Trans.,1976
2. The Feedforward Control of Linear Multivariable Time-Invariant Systems;Davison;Automatica,1973
3. Design of Low-Order Observers for Linear Feedback Laws;Fortmann;IEEE Trans.,1972
4. Compatibility of Observer to Plant Parameters;Furuta;Trans. SICE,1979
5. Geometric Structure of Observers for Linear Feedback Control Laws;Kimura;IEEE Trans.,1977