1. Theory and applications of self-tuning regulators;Åström;Automatica,1977
2. Self-tuning controllers based on pole-zero placement;Åström,1980
3. Stochastic model reference adaptive controllers;Dugard,1980
4. Stability analysis of discrete time adaptive control schemes;Egardt;IEEE Trans Aut. Control,1980
5. Some interpretations of the self-tuning controller;Gawthrop,1977