1. Kazovskiy, Kartsev and Shaktarin, Superconducting Magnet Systems, Science Publishing Company, Leningrad, 1967, pp. 186–190 (in Russian).
2. A. D. Appleton and R. B. MacNab, “A Model Superconducting Motor” Commission I, London, “Annex 1969-I Bulletin International Institute of Refrigeration”, pp. 261–267.
3. A. D. Appleton and J. S. H. Ross, “Aspects of a Superconducting Winding for a 3 250 hp Motor”. Commission I, London, “Annex 1969-I Bulletin International Institute of Refrigeration”, pp. 277–283.
4. F. Tinlin and J. S. H. Ross, “The Cryostat and Refrigerator for a 3 250 hp Superconducting Motor”. Commission I, London, “Annex 1969-I Bulletin International Institute of Refrigeration, pp. 277–283.
5. H. H. Woodson, J. L. Smith Jr., P. Thullen, and J. L. Kirtley Jr., “The Application of Superconductors in the Field Windings of Large Synchronous Machines”, “IEEE Trans. Power Apparatus and Systems,” Vol. PAS-90, No. 2, March/April 1971, pp. 620–627.