JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, vol. 37, no. 12B, page. 7158 - 7160, 1998-12
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 33, page. S262 - S265, 1998-11
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, vol. 190, no. 1-2, page. 99 - 108, 1995-01