JOURNAL OF APPLIED PHYSICS, vol. 86, no. 1, page. 306 - 310, 1999-07-01
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, vol. 170, no. 1-2, page. L7 - L12, 1997-06
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, vol. 12, no. 5, page. 2672 - 2679, 1994-09
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, vol. 126, no. 1-3, page. 316 - 319, 1993-09
JOURNAL OF APPLIED PHYSICS, vol. 72, no. 10, page. 4986 - 4989, 1992-11-15