International Federation of Automatic Control.Control scieence and technology for the progress of society：proceeddings of the 8th Triennial World Congress or the IFAC, Kyoto, 24-28 August 1981．6，Electrical power systems.Pergamon,1982.
Control scieence and technology for the progress of society：proceeddings of the 8th Triennial World Congress or the IFAC, Kyoto, 24-28 August 1981．6，Electrical power systems
International Federation of Automatic Control.Pergamon,1982.
