1. A superconducting model motor;Appleton,1969
2. Aspects of a superconducting winding for a 3 250 h p motor;Appleton,1969
3. The cryostat and refrigerator for 3 250 h p superconducting motor;Tinlin,1969
4. Semi-superconductive d c machine;Yamamoto,1969
5. The Performance and Design of Direct Current Machines;Clayton,1959