Kim, ST; Kim, HH; Kim, YI; Lee, MY; Lee, Won-Jong, JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, v.36, no.9A, pp.5663 - 5669, 1997-09
Kim, ST; Kim, HH; Lee, MY; Lee, Won-Jong, JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES REVIEW PAPERS, v.36, no.1A, pp.294 - 300, 1997-01