000 00345pam a2200133a 44500
082 _a530.4
_bIn7
100 _aLeck J.H.
245 1 _aPressure measurement in vacuum systems
_cJ.H. Leck
260 _aLondon
_bThe Institute Of Physics
_c1957
300 _a144p.
440 _aPhysics In Industry Series
_v
964 _gCIRC
997 _a3855 C
999 _c449459
_d449459