000 00245 a2200097 4500
001 18979
100 _aA S M E
245 _aInstruments and Apparatus Leak Detection & Leakege Measurements Pt-21
260 _a
_bA S M E
_c
090 _c14064
_d14064
942 _aNUST-CAE
_cM
_c4519
999 _c254052
_d254052