000
00285pam a2200109a 44500
082
_a
530.4
_b
IN7
100
_a
Leck, J.H.
245
1
_a
PRESSURE MEASUREMENT IN VACUUM SYSTEMS
260
_a
_b
The Institute Of Physics & The Physical Societu
_c
1964
964
_g
CIRC
997
_a
37191 C
999
_c
410812
_d
410812