1. Stabilization of an AC link by a parallel DC link;Uhlmann;Direct Current,1964
2. Experience with HV DC-turbine-generator torsional interactions at Square Butte;Bahrman,1979
3. Small signal modulation on the Pacific HVDC intertie;Cresap;IEEE Trans.,1976
4. Operating experience with modulation of the Pacific HVDC intertie;Cresap;IEEE Trans.,1978
5. Application of control on the Eel River and Nelson River HVDC schemes to enhance operation of interconnected systems;Haywood,1976