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2. Loyd, R.J. et. al., “SMES Engineering Test Model: Preliminary Definition, Test Plan and Development Program,” Final Report to EPRI, April (1987).
3. Rodriguez, L.A., et. al., “Comparison of Energy Storage Plants in Generation System Expansion,” Int. Sym. on Dynamic Benefits of Energy Storage Plant Operation, DOE and EPRI, p. 218 (1984).
4. Boom, R.W., et. al., “Superconductive Magnetic Energy Storage (SMES) System Studies for Electrical Utility Usage at Wisconsin,” presented at the High Temperature Superconductivity Workshop -Tokyo, Janpan, October 17, 1987.
5. “Superconducting Magnetic Energy Storage (SMES): The Next Step (an Engineering Test Model)”, private communication from D. J. Helfrecht, Pres., Madison Gas and Electric Co.