Shmuel S. Oren Alva J. Svoboda Raymond B. Johnson Volatility of Unit Commitment in Competitive Electricity Markets. 594-601 1997 conf/hicss/1997 HICSS (5) https://doi.org/10.1109/HICSS.1997.663221 https://doi.ieeecomputersociety.org/10.1109/HICSS.1997.663221 db/conf/hicss/hicss1997.html#OrenSJ97