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024 _a59595
037 _cTextual
040 _aCSL
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041 _aeng
082 _aC5:3e, J5 CS
100 _aBarnard G P
245 0 _aMass spectrometer researches
260 _c1955
300 _ap.
_ccm.
490 _aNational physical laboratroy
650 _aSpectroscopy
942 _hC5:3e, J5 CS
_cTEXL
_2CC
999 _c80763
_d80763