Voltage instability: mechanisms and control strategies [power systems]. - Khoi T. Vu; Chen-Ching Liu; Carson W. Taylor; Kebede M. Jimma (Proc. IEEE, 1995)

WACS-Wide-Area Stability and Voltage Control System: R&D and Online Demonstration. - Carson W. Taylor; Dennis C. Erickson; Kenneth E. Martin; Robert E. Wilson; Vaithianathan Venkatasubramanian (Proc. IEEE, 2005)