1. A Practical Method of Direct Analysis of Transient Stability;Athay;IEEE Trans. PAS,1979
2. Direct Methods for Stability Analysis of Large Scale Power Systems;Ribbens-Pavella,1979
3. Transient Stability Analysis of Electric Power System via Luré Type Lyapunov Function;Kakimoto;Parts I and II, Trans. IEE of Japan,1978
4. Transient Stability Analysis”, from “Systems Engineering for Power: Emergency Operating State Control;Athay,1979
5. Power System Stability Analysis by the Direct Method of Lyapunov;Pai,1981