共 8 条
[1]
BEARDEN JA, 1967, NATIONAL STANDARD RE, V14
[2]
BOKROS K, 1960, T AIME, V218, P351
[5]
HIRSCH PB, 1965, ELECTRON MICROSCOPY
[6]
KLEPFER HH, 1966, Patent No. 3287111
[8]
WANG CG, PRIVATE COMMUNICATIO