SOLID STATE COMMUNICATIONS, vol. 149, no. 43-44, page. 1971 - 1973, 2009-11
PHYSICAL REVIEW B, vol. 75, no. 1, 2007-01
SOLID STATE COMMUNICATIONS, vol. 127, no. 9-10, page. 645 - 648, 2003-09
JOURNAL OF APPLIED PHYSICS, vol. 94, no. 3, page. 1948 - 1953, 2003-08-01
SOLID STATE COMMUNICATIONS, vol. 127, no. 6, page. 433 - 437, 2003-08
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, vol. 64, no. 8, page. 1271 - 1278, 2003-08
JOURNAL OF APPLIED PHYSICS, vol. 89, no. 11, page. 6349 - 6355, 2001-06-01