1. Superconducting coil design for Large Helical Device;Yamamoto;IEEE Trans. Magn.,1991
2. Research and development of superconductors and superconducting coils for Large Helical Device;Yamamoto;ITC-3, paper MT-4,1991
3. A cryogenic system for the superconducting magnet testing facility;Yamamoto;Adv. Cryogenic Engrg. A,1992
4. Characteristics of DC 75 kA power supply in the superconducting magnet test facilities;Yamada;ITC-3, paper PT-13,1991
5. Rigidity tests of superconducting coil at 4.2 K simulated for helical coil on LHD program;Nishimura;ITC-3, paper PT-14,1991