JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 29, page. S464 - S466, 1996-11
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 29, page. S612 - S615, 1996-11
REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 67, no. 10, page. 3553 - 3556, 1996-10
JETP LETTERS, vol. 64, no. 5, page. 370 - 375, 1996-09-10
REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 67, no. 1, page. 29 - 35, 1996-01