共 6 条
[1]
BELK JA, 1963, VACUUM TECHNIQUES ME, P14
[2]
Cochrane J, 1972, TEMPERATURE ITS ME 3, V4, P1619
[3]
DUSHMAN S, 1962, SCI F VACUUM TECHNIQ, P691
[4]
Honig R. E, 1957, RCA REV, V18, P195
[5]
LI XM, 1984, CCT8449 COM CONS THE, V15
[6]
MCALLEN JV, 1985, COMMUNICATION