IEICE TRANSACTIONS ON ELECTRONICS, vol. E89C, no. 2, page. 106 - 112, 2006-02
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, vol. 384, no. 3, page. 297 - 306, 2003-02-01
SUPERCONDUCTOR SCIENCE & TECHNOLOGY, vol. 15, no. 12, page. 1658 - 1662, 2002-12
PHYSICA C, vol. 362, page. 97 - 101, 2001-09