Investigating power system stability limits. - E. Vournas; Nikos G. Sakellaridis; Michael E. Karystianos; Nicholas G. Maratos (ISCAS, 2006)

Maximizing Power-System Loadability in the Presence of Multiple Binding Complementarity Constraints. - Michael E. Karystianos; Nicholas G. Maratos; Costas D. Vournas (IEEE Trans. Circuits Syst. I Regul. Pap., 2007)