1. Linear Controller design - Limits of Performance;Boyd,1991
2. Control relevant identification for H∞-norm based performance specifications;deCallafon,1995
3. Filtering and parametrization issues in feedback relevant identification based on fractional model representations;deCallafon,1995
4. Suboptimal feedback control by a scheme of iterative identification and control design;de Callafon;Mathematical Modelling of Systems,1997
5. State space solutions to standard H2 and H∞ control problems;Doyle;IEEE Trans. on Automatic Control,1989