共 20 条
[2]
BOWMAN HA, 1967, J RES NATL BUR STD U, pC71
[3]
BRIGGS A, 1968, NBS296 SPEC PUBL, P103
[4]
BRIGGS AC, PRIVATE COMMUNICATIO
[5]
CABANNESOTT C, 1956, CR HEBD ACAD SCI, V242, P355
[6]
GHOSH TK, 1961, BRIT J APPL PHYS, V12, P44
[9]
HENDERSON B, PRIVATE COMMUNICATIO
[10]
HENDERSON B, TO BE PUBLISHED