1. “An Experimental Alternator with a Superconducting Rotating Field Winding,”;Thullen;IEEE Transactions on Power Apparatus and Systems,1971
2. J. K. Hulm, E. F. McCann, C. J. Mole, and J. H. Parker Jr., “Development of a 5 MVA Superconducting Generator, General Aspects, “ IEEE PES 1973 Winter Meeting, No. C73–259-9, (January/February 1973).
3. W. C. Brenner, D. W. Deis, R. F. Haller III, C. J. Mole, C. C. Sterrett, M. S. Walker, and L. N. Wedman, “Development of a 5 MVA Superconducting Generator, Electrical Design and Performance,” IEEE PES 1973 Winter Meeting, No. C73–245-8, (January/February 1973).
4. T. J. Fagan Jr., D. C. Litz, J. H. Murphy, A. Patterson, C. C. Sterrett, D. R. Stoner, and A. Ulke, “Development of a 5 MVA Superconducting Generator, Mechanical and Cryogenic Design,” IEEE PES 1973 Winter Meeting, No. C73–255-7, (January/February 1973).
5. Y. W. Chang, C. K. Jones, S. Karpathy, D. C. Litz, A. Patterson, and M. S. Walker, “Development of a 5 MVA Superconducting Generator, Testing and Evaluation,” IEEE PES 1973 Winter Meeting, No. C73–261-5, (January/February 1973).