1. Concepts of synchronous machine stability as affected by excitation control;deMello;IEEE Trans.,1969
2. Applying power system stabilizers Parts 1, 2, 3;Larsen;IEEE Trans.,1981
3. IEEE Tutorial Course: Power System Stabilization via Excitation Control 81 EHO 175-0 PWR
4. Self-tuning generator excitation control — Is it ready for power?;Hughes,1990
5. A self-tuning power system stabiliser;Seifi,1989