1. Bohn, Roger, Michael Caramanis, and Fred Schweppe. “Optimal Pricing in Electrical Networks over Space and Time”, Rand Journal of Economics. 15: 360–376,1984.
2. Chao, Hung-po. “Priority Service and Optimal Rationing with Uncertainty”, Electrical Power Research Institute, 1990.
3. Chao, Hung-po, Shmuel Oren, Stephen Smith, and Robert Wilson. “Priority Service: Unbundling the Quality Attributes of Electric Power”, Report EA-4851, Palo Alto CA: Electric Power Research Institute, 1986.
4. Chao, Hung-po, Shmuel Oren, Stephen Smith, and Robert Wilson. “Selected Papers on Priority Service Methods”, Report P-5350. Palo Alto CA: Electric Power Research Institute, 1987.
5. Chao, Hung-po, Shmuel Oren, Stephen Smith, and Robert Wilson. “Service Design in the Electric Power Industry”, Report P-6543. Palo Alto CA: Electric Power Research Institute, 1990.