共 20 条
[5]
BEAN JC, 1981, DOPING PROCESSES SIL, pCH4
[6]
BEAN JC, 1978, MAY EL SOC M BOST
[7]
OPERATION OF A CRYOPUMPED UHV SYSTEM
[J].
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY,
1977, 14 (01)
:640-642