000 00459nam a2200145 a 4500
005 20220518174058.0
008 960221s1955 dcuabcdjdbkoqu001 0deng d
082 _a545.33
_bJ4
100 _aRobertson, A. J. B.
_916452
245 _aMass spectrometry
653 _a Principles of opreration of mass spectrometers
_aChemical analysis by mass spectrometry
_aInvestigation of freee radicals
942 _cBK
260 _aLondon
_bMethuen & CO.
_c1954
003 ViArRB
999 _c249595
_d249595