1. Reliability Evaluation of Power Systems;Billinton,1984
2. Customer cost of electric interruption;Wacker,1989
3. Reliability Assessment of Larger Electric Power Systems;Billinton,1988
4. Overall adequacy assessment of an electric power system;Billinton,1992
5. Comprehensive bibliography on electric service interruption costs;Billinton;IEEE Trans. Power Systems,1983